A bird - Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals. Learn more about birds in this article.

 
Find bird food, cages, toys, litter, and feeders to help keep your new pet happy and healthy. Selecting the Right Pet Bird. Pet birds come in a vast assortment of species and personalities. Fortunately, there is a bird to fit every type of pet parent and household. Finches.. Pokemon scarlet and violet nsp

Dec 14, 2022 · 2. Start by lightly touching or petting the bird's beak. This will help it to get used to you, and works as a good starting point. Be sure to be very gentle, especially when the bird is just starting to experience petting. 3. Pet towards the beak, not the tail. Mar 15, 2022 · How to Draw a Bird Step by Step. Start the body with a round shape. Attach a head with a point. Erase line and add large eye and beak. Draw a wing. Erase line and add tail. Add lots of feather details. Draw a branch underneath. Add leaves on the branch, clouds in the sky. Apr 8, 2023 · These are usually in the form of pellets. This type of food can be gotten at any local vet store close to you. Birds can also have fresh or dried fruits and vegetables, nuts, beans, and cooked brown rice. Do not give your bird food such as; onion, garlic, avocado, chocolate, or alcohol (obviously) since these foods are extremely toxic for birds. How to Draw a Bird Step by Step. Start the body with a round shape. Attach a head with a point. Erase line and add large eye and beak. Draw a wing. Erase line and add tail. Add lots of feather details. Draw a branch underneath. Add leaves on the branch, clouds in the sky.Bird ID Wizard—Step-by-step Answer three simple questions about a bird you are trying to identify and Merlin will give you a list of possible matches. Merlin offers quick identification help for all levels of bird watchers and outdoor enthusiasts to help you learn about the birds in any country iAbout Birds. Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are...Apr 17, 2022 · Birds of Prey – This group is made up of more than 300 species of birds, including eagles, hawks, ospreys, falcons and vultures. Cranes – This group, which includes coots and rails, boasts more than 200 species. Game Birds – Perhaps the best-known type of bird, game birds include chickens, turkeys, quails and megapodes. Sep 28, 2022 · While feeding birds in your back yard is a fun way to see wild birds, remember that feeding any wildlife in national parks is against the law. Avoid approaching or disturbing nesting birds, their eggs, or their nests. If you find juvenile birds out of the nest, leave them alone. Nature knows best, and their parents are nearby. 4 hours ago · Merlin, a free app, is able to identify birds solely by sound. (AP Photo/David Duprey, File) This combination of photos shows a Northern Cardinal perching on a snow-covered tree branch in Olmsted Falls, Ohio on Jan. 8, 2010, left, an American Goldfinch perching on a stalk of tall grass in Denton, Neb., on June 20, 2023, center, and a female ... Bird - Aves, Species, Orders: In classifying birds, most systematists have historically relied upon structural characteristics to infer evolutionary relationships. Most, if not all, of the major lineages of modern birds arose in the Late Cretaceous and the Paleogene Period. Class Aves has over 10,000 living species.Dec 14, 2022 · 2. Start by lightly touching or petting the bird's beak. This will help it to get used to you, and works as a good starting point. Be sure to be very gentle, especially when the bird is just starting to experience petting. 3. Pet towards the beak, not the tail. 4 hours ago · Merlin, a free app, is able to identify birds solely by sound. (AP Photo/David Duprey, File) This combination of photos shows a Northern Cardinal perching on a snow-covered tree branch in Olmsted Falls, Ohio on Jan. 8, 2010, left, an American Goldfinch perching on a stalk of tall grass in Denton, Neb., on June 20, 2023, center, and a female ... All solutions for "bird" 4 letters crossword answer - We have 21 clues, 201 answers & 203 synonyms from 3 to 20 letters. Solve your "bird" crossword puzzle fast & easy with the-crossword-solver.comDefine bird. bird synonyms, bird pronunciation, bird translation, English dictionary definition of bird. n. 1. a. Any of various warm-blooded egg-laying feathered vertebrates of the class Aves, having forelimbs modified to form wings. Free as a bird definition: completely free , with no worries or troubles | Meaning, pronunciation, translations and examplesAccess a free guide of more than 800 species of North American birds; Discover the impacts of climate change on birds and their habitats; Learn more about the birds you love through audio clips, stunning photography, and in-depth textGenerally a girl or young woman who comes across as vain, ditzy, stupid or useless.2. Shape. This is really an extension of the first clue: A bird’s shape lets you place it in the right group. Even among closely related birds, practically no two species share the same exact shape. Sandpipers, for example, all differ in leg height, bill shape, neck length, and other elements of shape.Access a free guide of more than 800 species of North American birds; Discover the impacts of climate change on birds and their habitats; Learn more about the birds you love through audio clips, stunning photography, and in-depth textA. Abert's Towhee. Acadian Flycatcher. Acorn Woodpecker. Alder Flycatcher. Aleutian Tern. Allen's Hummingbird. Altamira Oriole. American Avocet. American BitternBirds always perch on branches, so we are going to use straight lines with minor angle differences to sketch a branch for our bird. Step 2: Draw an egg. Yes, an egg. This will be our bird’s body, so make it as big as you want your bird to be, but please leave some space above the head and below for the tail. Step 3: Draw a circleFree as a bird definition: completely free , with no worries or troubles | Meaning, pronunciation, translations and examples Bird - Skeleton, Flight, Feathers: The avian skeletal system is notable for its strength and lightness. The number of vertebrae varies from 39 to 63, with remarkable variation within the neck series. The bones of the forelimb are modified for flight with feathers, and wing bones are hollow. The hind toe of the avian foot opposes the other three.Apr 17, 2022 · Birds of Prey – This group is made up of more than 300 species of birds, including eagles, hawks, ospreys, falcons and vultures. Cranes – This group, which includes coots and rails, boasts more than 200 species. Game Birds – Perhaps the best-known type of bird, game birds include chickens, turkeys, quails and megapodes. Bird - Muscles, Organs, Flight: Birds have a complete separation between pulmonary and systemic circulation, hearts that are large for their body weight, lungs connected to nonvascular air sacs, and a digestive system adapted to high metabolism and flight. They are homeothermic. Odontornithes, an offshoot of the subclass Ornithurae, gave rise to modern birds.Nestle is a German word that means “the little nest.”. Its logo depicts a family of birds sitting atop one. This literal characterization of the brand name features three baby birds being fed by their mother. The drawing has been around since 1868. Today, it has been redesigned with fewer details and smoother lines.1.Most commonly used to describe a woman that one is aware of as being materially obsessed , and morally corrupt ,but never the less finds highly physically desirable for the moment.If a bird and fish were to fall in love, they would live harmoniously where water and air mingle: in a place of quiet pools and slow flowing water. Dappled sunlight would pass through the sprays ...A bird is a vertebrate animal belonging to the class Aves. A bird has feathers, wings and a toothless beak, and most birds can fly. All birds are descended from dinosaurs, and today, most biologists consider birds to be dinosaurs. The term ‘avian dinosaurs’ can be used to differentiate birds from other dinosaurs.How to draw a Bird easy and step by step. Draw this Bird by following this drawing lesson. Get The Markers HERE = https://amzn.to/37ZBdoNStart your bird sketch by noting the posture of the bird or the angle at which it sits with a single line. Over this, add an oval for a body and then a circle for the head. Then stop and check your proportions. It is easy to change the size of the head early in the drawing. Find bird food, cages, toys, litter, and feeders to help keep your new pet happy and healthy. Selecting the Right Pet Bird. Pet birds come in a vast assortment of species and personalities. Fortunately, there is a bird to fit every type of pet parent and household. Finches.Rather than tether birds to our fraught past, she says, we could make birds the emblems of our bright future. On the heels of the inaugural Black Birders Week in June 2020, Bird Names for Birds penned an open letter demanding AOS acknowledge the harm caused by current naming practices and commit to fixing the system. More than 2,500 people ...Flamingos, a wading bird, are the last species bird watchers would have predicted. "No one really expected that flamingos would be the bird that Idalia was known for," Swick said.Apr 20, 2009 · Birds’ wings are another great place to pick up clues to a bird’s identity. In a few groups, including warblers and vireos, wing markings can give you a positive identification even if the bird has molted out of its colorful breeding plumage. In other groups, such as flycatchers and sparrows, the absence of wing markings may be important. Detailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles.Even large birds start small, however: An ostrich or crane chick is absolutely a birb. We may understand, then, that while “birb” can be a developmental stage, some birds are birbs their whole lives. Rule 2: Birbs are often (though not always) round. People tend to regard round animals as cuter, and round objects in general to be more pleasant.Draw in a curved neck from the head, attached close to the top of the oval. Form a balloon-like shape to the head and torso to find the overall shape of the beak and tail. 05. Draw in the arms and legs. The simple lines will help to find the mass of the wings and leg. Take the centre of the torso to draw the legs.Bird definition, any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.Northern Cardinal. Northern Cardinal. Photo: Michele Black/Audubon Photography Awards. With its black face and crimson crest, beak, and body, the male Northern Cardinal, or “redbird” to many, is one of the most recognized and well-known birds in North America. Though less showy, females are also splendid, wearing soft, tawny feathers ...Keep your bird healthy and wash your hands every time after you handle your bird. Birds can carry germs that make people sick. These bird-borne illnesses are rare in the United States, but you will still need to be vigilant about handwashing. Psittacosis, or "parrot fever," is a potentially serious disease of pet birds, and it can be ...Respiratory system - Avian, Lungs, Airways: Birds must be capable of high rates of gas exchange because their oxygen consumption at rest is higher than that of all other vertebrates, including mammals, and it increases many times during flight. The gas volume of the bird lung is small compared with that of mammals, but the lung is connected to voluminous air sacs by a series of tubes, making ... Birds have sex via an internal chamber called a cloaca that is present on both male and female animals. Japanese Red Crown Cranes (Grus japonensis) are dancing together at Japane's Tsurui Ito ...Make a U-shaped cut, about 3–4 in (7.6–10.2 cm) in width, in the front of the jug with a utility knife. Lift the flap created by the U-shaped cut and bend it so that it projects outward, acting as a cover for the “front door” of the nest. 3. Place the new nest in a shaded spot as close as possible to the existing nest.Free as a bird definition: completely free , with no worries or troubles | Meaning, pronunciation, translations and examples Most birds have approximately 175 different muscles, mainly controlling the wings, skin, and legs. Overall, the muscle mass of birds is concentrated ventrally. The largest muscles in the bird are the pectorals, or the pectoralis major, which control the wings and make up about 15–25% of a flighted bird's body weight.Head: The bird's head is one of the best places to look for field marks such as eye color, malar stripes, eyebrows, eye rings, eye lines, and auricular patches. The crown (top) and nape (back) are also key parts of the head that can help identify a bird. Bill: The size, shape and color of a bird's bill is critical for identification.The Greek philosopher, Plutarch, stated in 100 AD, “He is a fool who lets slip a bird in the hand for a bird in the bush.”. There are also different variations of this saying in Latin and Aramaic, dating back to the seventh century. One of the earliest instances of the bird in the hand saying in English text was in 1382 when the Christian ...About Birds. Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are...How to Draw a Bird Step by Step. Start the body with a round shape. Attach a head with a point. Erase line and add large eye and beak. Draw a wing. Erase line and add tail. Add lots of feather details. Draw a branch underneath. Add leaves on the branch, clouds in the sky.Define bird. bird synonyms, bird pronunciation, bird translation, English dictionary definition of bird. n. 1. a. Any of various warm-blooded egg-laying feathered vertebrates of the class Aves, having forelimbs modified to form wings.It's best to take off jewelry and any clothing with sequins or other shiny features before handling your bird to protect yourself, your pet, and your apparel. Also, especially with birds that like to chew, watch out for your buttons. Remove the temptation for your bird to chew something they're not supposed to because some of these items can be ...Photographing birds is easy. Photographing birds well is hard. There’s a right way and a wrong way to do everything, and I seem to choose the wrong way every time. Let me get a few things off my ...Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can't fly. Sep 5, 2023 · Flamingos, a wading bird, are the last species bird watchers would have predicted. "No one really expected that flamingos would be the bird that Idalia was known for," Swick said. Behaviour Diet and feeding. Avian foraging strategies can vary widely by species. Many birds glean for insects, invertebrates,... Water and drinking. Some desert birds can obtain their water needs entirely from moisture in their food. ... Most birds... Feather care. Feathers, being critical to the ...A bird is a vertebrate animal belonging to the class Aves. A bird has feathers, wings and a toothless beak, and most birds can fly. All birds are descended from dinosaurs, and today, most biologists consider birds to be dinosaurs. The term ‘avian dinosaurs’ can be used to differentiate birds from other dinosaurs.Find bird food, cages, toys, litter, and feeders to help keep your new pet happy and healthy. Selecting the Right Pet Bird. Pet birds come in a vast assortment of species and personalities. Fortunately, there is a bird to fit every type of pet parent and household. Finches. Access a free guide of more than 800 species of North American birds; Discover the impacts of climate change on birds and their habitats; Learn more about the birds you love through audio clips, stunning photography, and in-depth text Nestle is a German word that means “the little nest.”. Its logo depicts a family of birds sitting atop one. This literal characterization of the brand name features three baby birds being fed by their mother. The drawing has been around since 1868. Today, it has been redesigned with fewer details and smoother lines.Bird mites are found throughout the United States. Although bird mites feed on the blood of birds, they also bite humans. Learn more about these mites, what they look like, how they differ from ...Apr 8, 2023 · These are usually in the form of pellets. This type of food can be gotten at any local vet store close to you. Birds can also have fresh or dried fruits and vegetables, nuts, beans, and cooked brown rice. Do not give your bird food such as; onion, garlic, avocado, chocolate, or alcohol (obviously) since these foods are extremely toxic for birds. noun. : any of a class (Aves) of warm-blooded vertebrates distinguished by having the body more or less completely covered with feathers and the forelimbs modified as wings. : a man-made object (such as an aircraft, rocket, or satellite) that resembles a bird especially by flying or being aloft.A. Abert's Towhee. Acadian Flycatcher. Acorn Woodpecker. Alder Flycatcher. Aleutian Tern. Allen's Hummingbird. Altamira Oriole. American Avocet. American Bittern Birds always perch on branches, so we are going to use straight lines with minor angle differences to sketch a branch for our bird. Step 2: Draw an egg. Yes, an egg. This will be our bird’s body, so make it as big as you want your bird to be, but please leave some space above the head and below for the tail. Step 3: Draw a circle Apr 21, 2016 · 2. Shape. This is really an extension of the first clue: A bird’s shape lets you place it in the right group. Even among closely related birds, practically no two species share the same exact shape. Sandpipers, for example, all differ in leg height, bill shape, neck length, and other elements of shape. Feb 21, 2020 · The bird is also a bird symbol for the Celtic god Lugh who was seen as a protector against evil and darkness which can be represented through many bird tattoos of ravens, doves, owls, etc. The Celts saw birds as messengers from other worlds that were often associated with omens both good and bad. All solutions for "bird" 4 letters crossword answer - We have 21 clues, 201 answers & 203 synonyms from 3 to 20 letters. Solve your "bird" crossword puzzle fast & easy with the-crossword-solver.com Respiratory system - Avian, Lungs, Airways: Birds must be capable of high rates of gas exchange because their oxygen consumption at rest is higher than that of all other vertebrates, including mammals, and it increases many times during flight. The gas volume of the bird lung is small compared with that of mammals, but the lung is connected to voluminous air sacs by a series of tubes, making ...May 18, 2020 · Head: The bird's head is one of the best places to look for field marks such as eye color, malar stripes, eyebrows, eye rings, eye lines, and auricular patches. The crown (top) and nape (back) are also key parts of the head that can help identify a bird. Bill: The size, shape and color of a bird's bill is critical for identification. What does as free as a bird expression mean? Definitions by the largest Idiom Dictionary. As free as a bird - Idioms by The Free Dictionary.Identify a bird ; Bird A-Z ; Other garden wildlife ; Guide to birdwatching ; What is the Red List for UK birds? Nature's Calendar ; Nature's Home magazine; The RSPB Magazine ; Birds and wildlife articles ; RSPB Podcasts ; Nature's Home blog ; Birds and Wildlife Advice; How you can help birds ; Gardening for wildlife ; Ask an expert ; Wildlife ...2. Shape. This is really an extension of the first clue: A bird’s shape lets you place it in the right group. Even among closely related birds, practically no two species share the same exact shape. Sandpipers, for example, all differ in leg height, bill shape, neck length, and other elements of shape.1 day ago · The fossil of a tiny bird-like dinosaur with surprisingly long lower legs has been discovered in China. The creature would have lived during the Late Jurassic Period 148 million to 150 million ... Apr 5, 2016 · The Beatles Now Streaming. Listen to the Come Together Playlist here: http://smarturl.it/BeatlesCTDownload Anthology: http://smarturl.it/AnthologyBeatlesBuy ... Flamingos, a wading bird, are the last species bird watchers would have predicted. "No one really expected that flamingos would be the bird that Idalia was known for," Swick said.Respiratory system - Avian, Lungs, Airways: Birds must be capable of high rates of gas exchange because their oxygen consumption at rest is higher than that of all other vertebrates, including mammals, and it increases many times during flight. The gas volume of the bird lung is small compared with that of mammals, but the lung is connected to voluminous air sacs by a series of tubes, making ... May 18, 2020 · Head: The bird's head is one of the best places to look for field marks such as eye color, malar stripes, eyebrows, eye rings, eye lines, and auricular patches. The crown (top) and nape (back) are also key parts of the head that can help identify a bird. Bill: The size, shape and color of a bird's bill is critical for identification. 4 hours ago · Merlin, a free app, is able to identify birds solely by sound. (AP Photo/David Duprey, File) This combination of photos shows a Northern Cardinal perching on a snow-covered tree branch in Olmsted Falls, Ohio on Jan. 8, 2010, left, an American Goldfinch perching on a stalk of tall grass in Denton, Neb., on June 20, 2023, center, and a female ... Birds are complex, and drawing is about simplifying. Begin your drawing with large shapes to establish proportions and posture—an oval for the body, a circle for the head, a line to show the angle of the bill and eye. Imagine the point on which the body would balance, and put a vertical line for the feet right there. These are usually in the form of pellets. This type of food can be gotten at any local vet store close to you. Birds can also have fresh or dried fruits and vegetables, nuts, beans, and cooked brown rice. Do not give your bird food such as; onion, garlic, avocado, chocolate, or alcohol (obviously) since these foods are extremely toxic for birds.Identify a bird ; Bird A-Z ; Other garden wildlife ; Guide to birdwatching ; What is the Red List for UK birds? Nature's Calendar ; Nature's Home magazine; The RSPB Magazine ; Birds and wildlife articles ; RSPB Podcasts ; Nature's Home blog ; Birds and Wildlife Advice; How you can help birds ; Gardening for wildlife ; Ask an expert ; Wildlife ... “The book’s beauty mirrors the beauty of birds it describes so marvelously.” —NPR In What It’s Like to Be a Bird, David Sibley answers the most frequently asked questions about the birds we see most often. This special, large-format volume is geared as much to nonbirders as it is to the out-and-out obsessed, covering more than two ... May 18, 2020 · Head: The bird's head is one of the best places to look for field marks such as eye color, malar stripes, eyebrows, eye rings, eye lines, and auricular patches. The crown (top) and nape (back) are also key parts of the head that can help identify a bird. Bill: The size, shape and color of a bird's bill is critical for identification. A. Abert's Towhee. Acadian Flycatcher. Acorn Woodpecker. Alder Flycatcher. Aleutian Tern. Allen's Hummingbird. Altamira Oriole. American Avocet. American Bittern Big Bird is a gigantic puppet that was designed by the talented and late Jim Henson, then crafted by the just as fantastic Kermit Love. One of the most iconic and classic Sesame Street characters, there’s a lot to love about this gigantic guy. The puppet is so massive that, in scenes where he moves both his wings, two puppeteers were needed ...Birds Symbolism & Meanings. Below is a list of all Bird Symbolism & Meanings articles. More are added every week so check back often! Scroll down to below the articles or click to read about Bird Symbolism & Meanings.

2. Start by lightly touching or petting the bird's beak. This will help it to get used to you, and works as a good starting point. Be sure to be very gentle, especially when the bird is just starting to experience petting. 3. Pet towards the beak, not the tail.. Form 130 u 2022

a bird

Bird is able to run, walk, or hop: Try to maneuver the bird into a corner or against a wall to pick them up. If necessary, ask one or two other people to help you. A bird net also can be useful. The bird can fly a little: You might be able to catch the bird after dark or by maneuvering them into a corner. Again, a bird net can help. Bird - Aves, Species, Orders: In classifying birds, most systematists have historically relied upon structural characteristics to infer evolutionary relationships. Most, if not all, of the major lineages of modern birds arose in the Late Cretaceous and the Paleogene Period. Class Aves has over 10,000 living species.noun. : any of a class (Aves) of warm-blooded vertebrates distinguished by having the body more or less completely covered with feathers and the forelimbs modified as wings. : a man-made object (such as an aircraft, rocket, or satellite) that resembles a bird especially by flying or being aloft.Birds Symbolism & Meanings. Below is a list of all Bird Symbolism & Meanings articles. More are added every week so check back often! Scroll down to below the articles or click to read about Bird Symbolism & Meanings. Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can't fly.Define bird. bird synonyms, bird pronunciation, bird translation, English dictionary definition of bird. n. 1. a. Any of various warm-blooded egg-laying feathered vertebrates of the class Aves, having forelimbs modified to form wings. Cut the cardboard to form the bird’s head, body, and beak. Cut the fabric into different shapes. Take the A3 paper and stick the head, body, and beak onto it. Paint the cardboard pieces in the colors of your choice. Decorate the bird with the cloth. Stick feathers for the tail and wings.Free as a bird definition: completely free , with no worries or troubles | Meaning, pronunciation, translations and examplesHop on and go. To start your ride, scan the Bird’s QR code with your app. Hit the throttle on the right to go and pull the brakes to slow. 3. Now you’re flying. Follow all local traffic rules, and enjoy the ride! 4. Park with care. Park your vehicle neatly in a designated parking area—and make sure to keep access ways clear.Domesticated and undomesticated birds are sources of eggs, meat and feathers. In English, domesticated birds are often called poultry and undomesticated birds are called game birds. Songbirds, parrots and other types of birds are popular as pets. Guano is bird manure. It is harvested for use as a fertiliser.Sep 6, 2023 · Big Bird is a gigantic puppet that was designed by the talented and late Jim Henson, then crafted by the just as fantastic Kermit Love. One of the most iconic and classic Sesame Street characters, there’s a lot to love about this gigantic guy. The puppet is so massive that, in scenes where he moves both his wings, two puppeteers were needed ... Birds of Prey. Ducks and Geese. Finches and Buntings. Hummingbirds, Swifts and Swallows. Medium-sized land birds. Songbirds. Sparrows. Tanagers and Blackbirds.Keep your bird healthy and wash your hands every time after you handle your bird. Birds can carry germs that make people sick. These bird-borne illnesses are rare in the United States, but you will still need to be vigilant about handwashing. Psittacosis, or "parrot fever," is a potentially serious disease of pet birds, and it can be ...Bird is able to run, walk, or hop: Try to maneuver the bird into a corner or against a wall to pick them up. If necessary, ask one or two other people to help you. A bird net also can be useful. The bird can fly a little: You might be able to catch the bird after dark or by maneuvering them into a corner. Again, a bird net can help. Jun 9, 2021 · A bird is a vertebrate animal belonging to the class Aves. A bird has feathers, wings and a toothless beak, and most birds can fly. All birds are descended from dinosaurs, and today, most biologists consider birds to be dinosaurs. The term ‘avian dinosaurs’ can be used to differentiate birds from other dinosaurs. Join Chris Wood and Jessie Barry as they put their knowledge of external avian anatomy into practice in the field. This video is part of our 4-part Inside Birding series. Each roughly 10-minute video guides you through the 4 basic keys to bird identification with clear instruction and examples. The four videos in the series are:Respiratory system - Avian, Lungs, Airways: Birds must be capable of high rates of gas exchange because their oxygen consumption at rest is higher than that of all other vertebrates, including mammals, and it increases many times during flight. The gas volume of the bird lung is small compared with that of mammals, but the lung is connected to voluminous air sacs by a series of tubes, making ...A bird is an animal with wings, feathers, and two legs. Birds, from chickens to crows, are also warm-blooded and lay eggs. .

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