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How fast do hummingbirds fly?

How fast do hummingbirds fly?


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Hhhmz! A hummingbirds flew past me while I was in the garden and yet, it still managed to halt perfectly in front of a blooming flower nearest to me. Just as soon I began to wonder, how fast do hummingbirds fly and in which way do they achieve their flight in addition to their distinctive hum.


Hummingbirds can give the impression by their small body size that they are very fast and of course they are. The Anna-Hummingbird, about ten centimeters in size, reach speeds of 385 body lengths per second (27. 3 m/s or 98 km/h). So they can get acceleration values of about ten times the acceleration due to gravity.

To the comparison: Peregrine falcons come on speeds of up to 200 body lengths per second in the nosedive and fighter jets, like e. g. the MiG-25 (a Mach 3 fast interceptor), reach only the approximately by 40 times of its total length by one second.

They got this enormous achievement mostly by their biological construction.

For example: the heart of the hummingbird is very large in relation to the body and beats 400 to 500 times per minute, its respiratory rate is up to 250 strokes per minute, so lots of oxygen gets into their wings and they can perform so strong. During sleep, many hummingbirds reduce their heart rate to save energy.


How fast do hummingbirds fly? - Biology

Contributed by Hummingbird Expert Lanny Chambers

  • longevity
  • birth and growth
  • heredity
  • parenting behavior
  • reproduction and care of young

Q. What is a hummingbird nest like?
A.
It is not much bigger than a ping-pong ball, a bottle cap, or a walnut shell. The female makes the nest with tiny bits of leafy material including little lichens, and weaves it together with spider silk. She builds the nest on a branch in a tree. A hummer will not use a birdhouse.

Q. What are hummingbird eggs like?
A.
Each egg is the size of a small jellybean, a coffee bean, or a tic tac. There are two eggs in a clutch and the eggs are white.

Q. How long does it take for hummingbird eggs to hatch?
A.
Ruby-throats incubate for 11 - 16 days until the eggs hatch. Rufous hummers incubate for 15 - 17 days.

Q. How much do newly hatched hummingbirds weigh?
A.
Ruby-throats weigh 0.62 grams when they hatch. This means 3 newly hatched hummers would weigh less than one American dime.

Q. What do hummers feed their nestlings?
A. When the chicks hatch, they need protein, not sugar, to grow. So mother hummer spends most of her time catching small insects and spiders for them.

Q. When do young hummingbirds learn to fly?
A.
Rufous and ruby-throated hummingbirds both begin to fly when about 21 days old.

Q. How long do hummingbirds live?
A.
Most hummingbirds die their first year, but when they’ve survived a full annual cycle, their life expectancy goes up dramatically. The record age of a banded ruby-throated hummingbird is 6 years, 11 months. The record age of a banded rufous hummingbird is 8 years 1 month.

Q. How do female hummingbirds select a mate?
A.
Male hummingbirds, along with many other animals, have what is known as a territory. A territory is simply an area that a male occupies and chases other males away from. A female hummingbird will visit a male’s territory, at which time the male performs a courtship display to try to convince the female that he is the best male around. If she likes his display, she will mate with him. If not, she moves on to another territory.

Q. Do hummingbirds mate for life?
A.
No. They don’t even stay together to raise the babies. The female does ALL the nest building, incubating, and caring for the babies herself, and a male hummer will mate with any females that he can attract to his territory. These are NOT romantic birds.


How fast do hummingbirds fly? - Biology

Contributed by Hummingbird Expert Lanny Chambers

  • size
  • weight
  • body systems
  • physiology
  • senses
  • communication
  • other physical characteristics

Q. How big are hummingbirds?
A.
Ruby-throated hummingbirds are 3 - 3.75 inches long with a wingspan of 4 - 4.75 inches. Rufous hummingbirds are 3.5 - 4 inches long with a wingspan of 4.25 inches.

Q. How much do hummers weigh?
A.
Male ruby-throats weigh 2.4 - 3.6 g, females 2.8 - 4.5 g. Male rufous hummers average 3.2 g, females 3.4 g. You could mail nine or ten hummingbirds with a single stamp, says hummingbird expert Laura Erickson! A hummingbird weighs about the same as a U.S. penny.

Q. Why are females larger than males?

A. Females are 15-20% larger. They need to be a tiny bit bigger to be able to produce eggs, to afford to share their body heat with the eggs while incubating, and to be able to share their food when feeding nestlings. Male hummingbirds are the tiniest warm-blooded animals on the planet.

Q. Why are they called hummingbirds?
A.
That’s an easy one! Their wings beat so fast (in normal flight about 75 beats per second, and during courtship flights both ruby-throated and rufous hummingbird wings can beat 200 times per second!) that they make a humming sound.

Q. What do hummingbirds sound like?
A.
Besides the humming of their wings, hummingbirds make chittering, chirpy sounds.

Q. How fast do hummers fly?
A.
Ruby-throated hummingbirds have been clocked in a wind tunnel flying up to 27 m.p.h. One kept up with an automobile going 45 m.p.h. another kept up with a car going 55 - 60 m.p.h.

Q. How fast is a hummingbird’s heartbeat?
A.
The hummingbird’s heart beats about 250 times per minute — that’s 4 times per second. They breathe at the same rate.

Q. How does hovering help a hummingbird?

A. It can hover long enough to suck out all the nectar it needs from a flower.

Q. How smart are hummingbirds?

A. Hummingbirds are very intelligent, and are able to remember places and individual people from one year to the next.

Q. How do hummingbirds communicate?

A. They communicate with each other primarily by chittering and other vocalizations, and by flying toward one another aggressively, to chase each other away.

Q.Why do hummers have such brilliant iridescent throat feathers?

A. It’s only male hummers that have the brilliant iridescent throat feathers. They use these to display to one another. Females find it attractive, and other males are repelled. Male hummers are VERY feisty and territorial and constantly bickering with one another, and the red feathers are part of this territorial display. So they have two functions-attracting a female and defending their territory.

Q. What causes a hummer’s colors to have a metallic sheen?

A. The brilliant, iridescent colors of hummingbird plumage are caused by the refraction of incident light by the structures of certain feathers. Like any diffraction grating or prism, these structures split light into its component colors, and only certain frequencies are refracted back to your eyes. The apparent color of any particular part of a feather depends upon the distance between the microscopic ridges in its gridlike structure. The resulting colors are much more vivid and iridescent than those of birds with only pigmented feathers. Not all hummer colors are due to feather structure, however the duller, rusty browns of Allen’s and Rufous Hummingbirds come from pigmentation. Iridescent hummingbird colors actually result from a combination of refraction and pigmentation, since the diffraction structures themselves are made of melanin, a pigment.

Q. Why are some hummingbirds all or partly white?

A. A very few hummingbirds are true or partial albinos. That means their feathers (and sometimes their whole bodies) have no pigment.

Q. What do hummingbirds look like when they’re flying?
A.
Hummingbirds never stop beating their wings, and with their tiny size can look like large bumblebees in the air. They fly in a direct path unless they are making a male display flight. Displaying male ruby-throats fly in a wide arc—about 180 degrees, looking like a half-circle—swinging back and forth as if suspended at the end of a long wire. Their wings make a loud buzz at the bottom of the arc. Displaying rufous hummers trace a steep U, climbing high, diving steeply, and making whining and popping sounds at the bottom of the dive. Females sometimes join them.

Q. What is unusual about a hummingbird’s flying?

A. They can fly backwards and upside down and to hover. Few other birds can do any of these things, and none as successfully as the hummingbird.

Q. How can hummingbirds hover in one place?

A. When a bird flaps its wing forward it creates forces called ‘lift’ and ‘thrust’, which move the bird up and forward. Hummingbirds can rotate their wings backward, which creates downward ‘lift’ and backward ‘thrust’. By alternating flapping their wings forward and backward, the up and down forces and forward and back forces cancel each other out, so the hummingbird hovers in one place.

Q. How are ruby-throats and rufous hummer different from and similar to other hummingbirds?
A.
These two species have wider ranges than other North American species, the ruby-throat predominating in the eastern half of the continent, the rufous in the western half. They’re smaller than many hummingbirds, though bigger than the tiniest.

Q. How is a hummingbird’s body adapted to its lifestyle and habitat?
A.
The muscle fibers in hummingbird pectoral muscles are 100% of the red type (the opposite of the kind of muscle fibers in “white meat,” in chicken and turkey pectoral muscle). This enables hummingbirds to keep a rich supply of blood and oxygen flowing into their muscles as they fly, so they don’t tire even with their rapid wing rate. Their beaks are designed to probe into many species of small flowers and to snap up tiny flying insects their tongue is fringed with tiny hairs and curls into a “double straw” shape in the back, allowing them to “wick up” nectar.

Q. I have never seen a Ruby-throated hummingbird on the ground. Do they ever land and if they do, can they wak around?
A.
They do land on the ground occasionally, but aren’t capable of walking because their legs and feet are not very strong, and their legs aren’t in the best location relative to their center of gravity. They can hop a little, assisted by their wings.

Q. How do a hummer’s senses compare with a human’s?

A. Hummingbird vision is much more discriminating than ours—they can see things at a farther distance, and are able to see a wider spectrum of colors than we can, into the ultraviolet range. They are especially attracted to the color red. A hummer reacts to sights much more quickly than we can. A hummingbird’s hearing is more finely tuned than ours. It can hear higher-pitched sounds than we can, and can hear tiny differences in sound quality that our ears just simply can’t detect. It’s sense of touch is not as discriminating as ours in some ways, though it can construct a nest with amazing accuracy relying partly on this sense. Hummers can probably not taste as many flavors as we can, though they apparently notice exactly how sweet necar is, and prefer it very sweet. They probably cannot smell as many odors.

Q. What is the Ruby-throated’s scientific name? How is it classified?

  • A. Its scientific name is a combination of the genus and species names, or Archilochus colubris. The Ruby-throated Hummingbird belongs to: • Kingdom Animalia
  • Phylum Chordata
  • Subphylum Vertebrata
  • Class Aves
  • Order Apodiformes
  • Family Trochilidae
  • Genus Archilochus (from Greek to mean “chief among birds”)

• Species colubris (which means “snake” in Latin—Linnaeus probably made a spelling error when he named it. The French colibre means “hummingbird”). Q. What is the Rufous Hummingbird’s scientific name and how is it classified?


The Mechanics of Hummingbird Flight

Physical adaptations alone are not enough to give hummingbirds such unique flight abilities. Most birds fly with upstrokes and downstrokes, generating all their lift and power on the downstroke of each wing beat. Hummingbirds, however, stroke their wings forward and backward, pivoting up to 180 degrees at the shoulder to rotate the wing. This pattern, with the wingtip tracing a horizontal figure eight in the air with each wing beat, generates lift on both forward and backward strokes, keeping the bird aloft and allowing it to hover.

A minute twist can change the angle of the wing and influence the flight direction, allowing the hummingbird to change direction instantly no matter which way the wing is stroking. This type of flight control is more closely associated with insects such as dragonflies than with birds and is a unique adaptation the hummingbird has harnessed for efficient flight.

Ornithologists may have deciphered the gross mechanics of hummingbird flight, but much more research is needed to fully understand these birds' unique abilities. New research techniques involving ultraviolet light, wind tunnels, and other technology are continually improving our understanding of how hummingbirds fly.


Why do hummingbirds migrate?

You might think that all hummingbirds are in the business of eating nectar from your feeders and flowers, but they also like a good bit of meat. Hummingbirds eat insects and spiders and when they cold months arrive those insects go away. Even with your hummingbird feeder full, they’ll want to go where the food sources are rich and plentiful. Hummingbirds love going places where there is a lot of food because the fight with other territorial hummers is a little less aggressive when there is a lot to eat.

How do hummingbirds prepare for migration?

Hummingbirds get ready for departure by fattening themselves up. That is why it is important if you provide hummingbird nectar for your hummer community, you are aware when the migration season ends and begins. They will need to fuel up before leaving and they will be exhausted when they return, which means more food. Before they leave to migrate, you might notice how large they are getting. They try to double their weight for the journey, so they can get up to 6 grams on the scale. It is thought that some of the little hummers overdo their weight gain goals and end up being too big to make the journey. Other hummingbirds that don’t migrate might not because they are too old or too young.

When do they migrate?

Hummingbirds will start the migration process at different times depending on where they live in the summer. Some will leave as early as July and the beginning of August. Others will wait until September. In fact, you might not even see any leave until October and November in some places. You don’t have to worry about taking your feeder down when it’s time for the hummingbirds to migrate, because they will do it on their own whether you have fresh nectar out or not. They are very smart and will sense the clues that it’s time to move on. When bugs are becoming scarce and disappearing all together, and flowers are no longer blooming, they’ll be ready to move on.

You’ll see your Ruby-throated hummingbird community return at the beginning of March if you live in the southern part of North America. The further north you go, the later it will be, so you’ll see them closer to April and May if you live in places near the Great Lakes, New York, and Alaska. As soon they arrive home from migration in the spring, they will refuel and then begin courting one another and building nests. It’s important that you provide a lot of nectar for them at this time.

How far do they travel?

Hummingbirds can travel across the entire Gulf of Mexico in one night, which is around 500 miles. Their migration can take as many as twenty-two hours or more of flight time. They will often travel an average of twenty-five miles a day and take breaks for a day to two weeks depending on how much rest and food they require to move on. They tend to fly low to the ground, just above the water and close to the tops of trees. Each hummingbird travels alone, and even though they may fly together, this is only because they are going in the same direction. It has nothing to do with them teaming up for the flight. They may also travel in a flock with other birds that are migrating, but once again, this is just due to the fact that so many birds are traveling and they just happened to be traveling at the same time.

There is a myth that hummingbirds travel on the backs of larger birds to take breaks and rest their wings, but this is not true. They fly the entire way with no breaks from other birds. If they see a place to stop that is in the ocean, they may take it to rest on such as oil rigs and other obstacles in the water. Some hummingbirds must travel across the dessert and it is a brutal journey no matter what route the birds are on.

Where do hummingbirds migrate?

It is thought that the male hummingbirds will arrive to their destinations before the females to set up a good area and keep other males out. The woman, depending on the age of their children, may travel with them. They’ll travel to Mexico and many locations in South America. The most species of hummingbirds is found in Ecuador. Their destinations will be tropical places that have plenty of flowers, insects, and spiders.

How can you help hummingbirds during migration?

Pay attention to your hummingbird feeders during migration and keep nectar clean and fresh. While you might see a lot of your regular visitors leave and have very little action at your feeder, that doesn’t mean you won’t have a few late hummers come by. You may even become a place that hummingbirds that are traveling to the coast will stop in for a day or two to rest and refuel.

Migration seasons are a great time to add extra feeders, so you can accommodate all of the hummers that are trying to gain weight. They males won’t be as territorial when there is plenty of food. In the spring, the females will appreciate having nectar options in case one feeder is being guarded. Don’t forget, not all hummingbirds make it to migration for different reasons, so if you see one continue to linger at your feeder all year long, follow the rules for feeding them in the winter, keep their nectar warm, and have a plan for freezing weather.


Hummingbird Migration

Below you'll find some facinating facts about hummingbird migration:

First things first. Hummingbirds do not ride on the backs of geese. We understand why caveman may have believed this (with all due respect to cavemen), but why does this myth still persist today?

Just think of the implications:

Now that's all cleared up, here are some facts:

It's quite amazing, but hummingbirds do migrate by themselves, under their own power, and as solitary migrants, not in flocks.

Hummingbirds migrate because it is an innate, genetic instinct. Factors such as weather, length of daylight, & fat accumulation stimulate migration.

Migration routes and timing vary from species to species and even population to population. Most of the more than 300 hummingbird species living in the tropics do not migrate because of the constant warm temperatures and abundant food supplies.

But most of the species that breed north of Mexico in the U.S. & Canada do migrate to separate wintering grounds. There are some exceptions of populations that remain along the Pacific Coast and the Mexican border where conditions are suitable year-round.

Rufous Hummingbirds (Selasphorus rufus) make the longest migration of any of the Trochilidae (Hummingbird Family) and, in proportion to size, one of the longest bird migrations.

It breeds as far north as Alaska and winters in Central America, a distance of

2700 miles. This is is equivalent to 49,000,000 body lengths. This is the longest migration of any bird in terms of body length.

Many Ruby-throated Hummingbirds travel more than 2,000 miles to go from Panama to their breeding destination in Canada. People wondered how the Ruby-throat could cross the Gulf of Mexico without stopping to refuel, a minimum trip of

500 miles (the shortest distance across the Gulf).

To answer this question, R.C. Lasiewski conducted a study in 1962, The energetics of migrating hummingbirds (Condor 64:324). As a result of his experiments with hovering hummingbirds in metabolic chambers, Lasiewski concluded that a male Ruby-throated hummingbird, weighing about 4.5 g, of which 2 g was fat, could fly nonstop for 26 hours, consuming the fat at the rate of 0.69 calories per hour.

At an average speed of 25 mph per hour (40 km/hour), the bird's flying range would be about 606 miles (975 km) - easily enough to span the Gulf of Mexico.

In a more recent study, Calder and Jones (1989) using arrival and departure masses and rates of gain from Rufous Hummingbird banding data, determined that a 747 mile (1,202 km) flight of a Rufous appears to have been possible. At an airspeed of 43 km/h, the Rufous was able to travel 747 miles in 28 hours or two 373-mi (601 km) legs in 14-hour days apiece, depending on unknowns of tailwinds & successful refueling points.

Therefore, on its 2,700-mile journey from Mexico to Alaska, a Rufous Hummingbird will stop at least 4 times to refuel.

Compared to other birds, the metabolic rates of hummingbirds are extremely high. For example, a 4-gram hummingbird has a basal metabolic rate of 1,400 calories per kilogram. Compare that to a 121 gram mourning dove which has a rate of 127 calories per kilogram.

According to Bill Calder, a University of Arizona hummingbird expert, it takes about a week for a migrating hummingbird to replace the protein and fat metabolized on a completed flight segment.

So for the Rufous that makes at least 4 refueling stops from Mexico to Alaska, their journey may take anywhere from 4-8 weeks. Refueling stops may even be longer than 2 weeks, depending on weather, headwinds, and nectar availability.

The breeding season & initiation of hummingbird migration is closely tied to the flowering seasons of their major nectar sources. In temperate latitudes, this corresponds to the northern and southern springs when flowering plants begin to bloom.

The rigors of hummingbird migration coupled with high metabolic rates requires these tiny birds to refuel often when traveling to their breeding grounds. So when they stumble upon your feeder along the way, it's like they've landed at the all-you-can-eat buffet, for free! (unless there's aggressive competition).

Hummingibird Migration Routes

In addition, nectar corridors, or migration routes abundant with flowering resources, are vital to hummingbird survival. Tens of thousands of hummingbirds migrate through these corridors on their way north & south to refuel.

Habitat loss, degradation, and fragmentation may affect hummingbirds nectar corridors due to loss of native flowering plants. The Migratory Pollinators Program explains this in more detail. See Threats and Conservation of Humming Bird Migration.

How Long Does It Take For a Hummingbird to Migrate?

Jouko Asked: What is the approximate total time spent in Spring migration by a ruby-throated hummingbird from Southern Mexico to Bruce Peninsula, Ontario? Assuming 3323km (2065mi) "as-the-crow-flies" total distance - and, I presume, including the famous 800km +/- nonstop across Gulf of Mexico. Somewhere I read they spend one week before and after for fattening, to get in shape for long distance travel.

Answer: Your question is a good one and will be difficult to answer. This is more than a just Master's degree question, this is a PhD project!

What speed at which hummingbirds are capable of migrating and what they actually do is dependent upon many things.

Spring migration is triggered by hormonal changes triggered by increasing day length, but weather fronts have a big effect on their migration. They may be capable of flying several hundred miles, but have to wait because of cold fronts, snow events and the progress of flowering plants and insects they need for food. No point in getting up north quickly only to die because of cold and lack of flowers.

Insects? Yes, we have seen hummingbirds steal insect carcasses from spider webs. Yes, they eat lots of nectar for energy, but also must have protein. Also, not all birds migrate the same distance or at the same time. On other species of banded birds, there seems to be a "hop-over" effect.

Birds that breed in the southern U.S. may migrate a short distance farther south in the U.S. or into Northern Mexico, while birds that breed in Canada may migrate all the way to central America. Birds that have to migrate the farthest, seem to start the earliest.

It is more difficult to get data on individual hummingbirds because they are so small, that there are very few that are actually banded and the technology for transmitters is very limited.

Future technology will allow transmitters or RFD chips on hummingbirds. I have seen where someone has started tracking monarch butterflies. Good news, even if they could only read the signal a mile away or so.

The first migration map link below shows 1st sightings. You can get an idea of what they were able to do this Spring.

They were first spotted in the south in late February and first arrived in your area in Early May. According to that data, it seems that it takes them 60-70 days to make the trip from the Southern U.S. Since there is no data from Mexico, we could only guess that it may take another week or so, but we really don't know where your hummingbirds spend the winter.

The second migration map shows all sightings by certain dates. You can see that while some birds are arriving in your area, there are many birds still down south. Some of those may still be moving north, but most will probably stay in the south to breed.

From the abstract of this scientific paper about migrant hummingbirds, they took from a few days up to 3 weeks to refuel.

Their ability to gain fat weight for the migration would be dependent upon the quality and quantity of available food, the amount of energy required to collect that food and the the amount of energy they have to expend to keep warm or to keep cool. They reduce the amount of energy required to stay warm at night by going into torpor.

Amazing little birds no doubt. Imaging a bird weighing less 4 grams when empty being able to fly from Mexico to Canada and doing it for many years.

The Bird Banding Lab (BBL) reports the longest time between banding and recapture for Ruby-throated humming birds as 9 years.

Hummingbird Migration Maps

You can use these links to report your hummingbird migration observations as well as see other reports as the migration moves across the U.S. and into Canada.

Rufous Hummingbird Migration Map
Current maps for Rufous migration observations.


Baby Hummingbirds: Everything You Need To Know

Every year hummingbirds migrate to breed, and that’s a chance for most of us who don’t live in the southern states to get to see them. If you prepare your garden and get your feeder ready, they may even come to breed in your back yard. If they do, then you may be lucky enough to see the babies hatch and grow, but always take care if the hummingbirds to nest in your garden. Keep your distance or the mother may see you as a threat.

Once the male hummingbird has played his part, he then leaves it all to mom to raise the babies. In fact, if the male comes back, mom may see him as a threat to her territory and chase him away.

Here we answer a few commonly asked questions about baby hummers.

How big is the nest?

Given the size of a fully grown hummingbird, it’s no surprise that their nests are tiny. You’ll have to look very hard to find one but they’re are on average 1-2 inches in diameter.

The nests are made from a mix of materials, including twigs, lichen, moss and spider silk. They are built off the ground in trees and shrubs and will be in an area which will be sheltered to protect them from wind, rain and sun. The size of the nest will be about the same size as a walnut or a ping pong ball.

How many babies does a hummingbird have?

Hummingbirds usually lay 2 eggs, but the second egg is often laid a day after the first one. In spite of this, both eggs will hatch at the same time. Mother hummingbirds know exactly how to incubate the eggs to make this happen.

The eggs are oblong in shape and are roughly the same size as a small jellybean.

Some female hummingbirds will have more than one brood of babies in a season. When they do this they will sometimes build a second nest while they are caring for their first brood. In some cases they may re-use their original nest.

How big is a baby hummingbird when it’s born?

When babies are first born, they are about an inch long, or the same size as a plump raisin, and they resemble one too. Their eyes are closed and their bodies are black with no feathers yet. They have short yellow beaks and yellow strands along their back. They weigh about 0.6 grams, which is about the third of the weight of a dime.

After just a couple of days they will be almost double in size.

As they cannot regulate their body temperature yet, for the first 8-12 days mom will spend most of her time on the nest to make sure they stay warm.

How do they develop?

Baby hummers start to grow very quickly, and within a couple of days they have almost doubled in size. While they are in the nest, they are already showing how clean they like to be. Even at this early age they make sure all their waste goes outside the nest.

After a week to 10 days their beaks have started to get darker and they will be covered in fuzzy, prickly little feathers which look a little like miniature quills.

By now they have also worked out how to regulate their body temperature, so mom doesn’t need to spend so much time on the nest.

At about 2 weeks old, they start to grow their real feathers and their beaks are much longer now.

At around 3 weeks they’re also starting to practice flapping their wings. They do this by using their feet to grip the bottom of the nest, so that they don’t accidentally fly off and this is when you might find one on the ground. Over the next few days they will start to fly away. This is when the mother hummingbird shows her brood how to find food. Once she’s done this she chases them out of her territory, and they are on their own as adult hummers.

What do they eat?

Unlike adult hummingbirds, baby hummers can’t live off a diet of nectar. If they did they would not develop properly and could even die. They need a good supply of protein to help their bodies grow and like most hummingbirds they need feeding regularly. While they are in the nest, their mother feeds them up to 3 times every hour.

The birds know when their mother is coming to feed them and they raise their heads ready. Mom will find and eat insects and nectar and then she uses her long beak to regurgitate this down their throats.

When do baby hummingbirds leave the nest?

Once they’ve learnt how to fly, the babies are ready to leave the nest after 3 weeks or so. For the first few days, their mother will watch over them and show them how to fend for themselves and find food. After this, they will be left to look after themselves as fully grown hummingbirds.

What are their main predators?

While they are in their nest, baby hummingbirds are unable to defend themselves. As the nests are in trees and shrubs it can be easy for some predators to get to the chicks, such as snakes, crows and ravens, squirrels and chipmunks.

So there you have it, everything you need to know about baby hummingbirds. We stumbled across an incredible video from Sheri Watson which follow’s two baby Allen hummingbirds from birth to fledgling, you can see it below, enjoy and thank you for reading.

Torrie Reed

We believe that learning about birds and animals in general need not be a boring and tedious activity, so we try our best to write about them in simple, yet engaging and relevant terms, and thus spread our love of birds to the wider community.


Do hummingbirds have sex in midair?

The hummingbird is to the bird world what the helicopter is to aviation. The tiny bird -- which tops out at 20 grams (less than an ounce) -- not only can fly on every axis, but also hover in midair. This incredible flying ability makes hummingbirds one of the most fascinating birds to watch. You'll catch sight of a wild hummingbird in the Americas -- anywhere from Alaska to Brazil. Some Mexican hummingbirds will migrate north for spring, flying up to 500 miles in 20 hours without a break [source: National Geographic].

Hummingbirds almost never stop moving, and they spend nearly all of their time in the air. Their legs are so small and weak, they typically can't walk at all. But in the air, they're masters. Hummingbirds beat their wings up to 80 times a second, which creates the soft humming sound that earns them their name [source: National Geographic]. Their heart can beat up to 1,300 times per minute while in flight [source: Defenders of Wildlife]. All of this lightning-fast beating takes its toll: Hummingbirds have to eat every couple of minutes. They consume enormous amounts of pollen, using a string-thin, long tongue to draw pollen out of deep flowers. As with everything else on the hummingbird, that tongue is lightning fast, carrying a load of pollen into the beak 13 times a second [source: Defenders of Wildlife].

The need to eat so much, so often, dictates much of the hummingbird's behavior. It makes the hummingbird one of the most territorial birds in the world. They'll scare off animals as large as hawks to protect their space. They'll do this by performing dramatic aerial moves that either frighten or annoy the threatening bird into flying away.

These aerial moves earn the hummingbird a unique place in the animal world. Few -- if any birds -- can match their speed and agility. They often appear to dance in the air and regularly engage in complex aerial displays, sometimes to defend their territory and sometimes to impress the opposite sex. Two hummingbirds might even bounce around in the air together.

It makes sense that hummingbirds would mate midair -- they do everything else in the air, and their legs are all but useless. They could probably pull it off, too, what with their ability to hover. But do these birds actually copulate in flight? Find out in the next section.

When a male hummingbird is courting a female, he'll do some insane aerial moves to show her how strong, controlled and just generally fantastic he is. On occasion, if the female enjoys the show, she'll starting moving in the air with him. This can sometimes look like they're actually mating in the air, because they can get very close. In fact, hummingbirds often get right up in each other's faces. Male hummingbirds will do a sort of "dance off" when fighting over territory, and several hummingbirds will get together to chase off an outsider.

Appearances aside, hummingbirds don't actually mate in midair. Their legs may not be able to walk or bounce, but they can perch. Hummingbirds are able to stand on branches, and that's where they copulate. After a female accepts a talented suitor, she'll perch on a branch and wait for the male to mount her from behind. About four seconds later, they leave each other and never look back [source: World of Hummingbirds]. The male goes to look for another female to mate with, and the female goes off to build a nest.

Probably the most fascinating part of the mating ritual is the initial courtship activity. Males go to serious lengths to impress females. A male hummingbird will dance and sing. He'll perform what's referred to as a courtship dive, which seems like a scary display but seems to go far with the hummingbird ladies. Flying up to 60 feet (18.28 meters) in the air, the male bird will suddenly arc and head straight down, flying in a beeline for the female [source: World of Hummingbirds]. When he's within inches of her head -- still at full speed -- he'll pull up, flying back to 60 feet and starting all over again. When the female is suitably impressed with the dive, she'll go wait on a perch.

Female hummingbirds are picky about their mates. It can sometimes get to be quite a competition. Male hummingbirds have been known to get together and serenade a female, each trying to win her attention. When she does show attention to one of the males, the courtship dive or other midair dances begin, and the other birds give up and fly away.

Just because hummingbirds don't mate in midair, though, doesn't mean nobody does. White-throated swifts, birds native to the American West, sometimes copulate while falling through the air of a canyon [source: Stanford]. A pair of great gray garden slugs will also mate in midair -- while hanging from a cord of slime [source: OSU].

For more information on hummingbirds, midair activity and related topics, fly to the links on the next page.

Hummingbirds have a lot in common with insects, including the speed of their wing beat and the ability to hover. The smallest hummingbird, which is about the size of a bumble bee, is the smallest bird in the world.


Hummingbird characteristics

Hummingbirds belong to a subfamily of apodiform birds called Trochilidae. There are more than 300 species of hummingbirds spread across the American continent, but the highest concentration of them is in Central America.

This bird’s beak is one of the most striking adaptations they have, in addition to their wings. Its elongated, conical, and sometimes curved shape is perfect for extracting the nectar from the flowers they feed on. Depending on the needs of the species, the beak can be almost the same length as the body of the hummingbird.

Hummingbirds are some of the smallest birds around. Their size, diet, and way of flying give them unique abilities, but also certain disadvantages. If you want to know everything about the morphology of this beautiful animal, keep reading.


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Reporting Your Hummingbird Sightings

To help add to the Hummingbird Migration Map, try watching your feeders for a few minutes each day in the spring and fall. Hummingbirds are usually most active in the mornings or evenings, but the drive to fatten up for migration may increase activity through the entire day.

As you observe your hummingbirds, take note of their appearance, which can be an indicator of where hummingbirds, as a species, are in the migration process.

Males &ndash With their bright colors, males are the easiest hummingbirds to sort out from a group of other hummingbirds. They also tend to depart on their migration early. That means a swarm of male hummingbirds at your feeders is a good indication of the first wave of migration.

Females and Juveniles &ndash The second wave of hummingbird migration occurs when the adult females and juvenile hummingbirds start their journey. Though they travel around the same time, they don&rsquot necessarily travel together. The youngsters follow their newfound instincts to move south. When you see this group at your feeders, it will be hard to tell the Moms from the kids. Generally, they all look alike! Hummingbirds nesting in the southern U.S. will sometimes rear a second brood of chicks before migrating south. This second brood can delay individual migration a bit longer.

Feeder check &ndash Aside from watching the birds themselves, also keep an eye out on your feeders. As the spring migration moves north, you&rsquoll notice a quicker depletion of nectar from your feeders. This may eventually trail off as hummingbirds focus on natural food and breeding. As the fall migration moves south, you&rsquoll have a burst of activity and then your feeders will sit unused for days. Noting all this activity is an important sign of migration!

Citizen Science &ndash Now that you&rsquore aware of what&rsquos going on with your feathered friends, you need to submit your sightings to the Migration Map. Do so by clicking the red &ldquoSubmit Your Sighting&rdquo button and entering your information. If you have a photo, you can include that, too.

Naturally, we do not know all the specifics of hummingbird migration, but the more we understand, the better we can appreciate these fascinating creatures. It&rsquos their natural migration instincts that bring these tiny travelers to our backyards!