Sep 7, 2023 · The bird-like dinosaur is the size of a pheasant at 1.4 pounds and is unique in that its lower legs are twice the length of its thighs. The odd creature also has arm bones that are quite similar to those of today’s birds. Typically, bird-like dinosaur fossils have been challenging to find due to the fragility of their hollow bones. High metabolism: Birds have a high, efficient metabolism that quickly turns food into usable energy. They have a four-chambered heart and high respiratory rate as well, which helps them be efficient and agile fliers as well as maintain their high body temperatures. Bipedal: All birds have two legs used for perching, walking, hopping, or running.Jul 21, 2014. In "A Bird of the Air," Lyman (Jackson Hurst, of "Drop Dead Diva") is a loner who works nights for the New Mexico highway department. Otherwise, he spends his free time taking ...David Allen Sibley/Knopf. "A bird's experience is far richer, complex, and 'thoughtful' than I'd imagined." This sentence on the first page of David Allen Sibley's What It's Like to Be a Bird is a ...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.Use Solyx Bird-Safety Film if you want more decorative options. Solyx Bird-Safety Film is an adhesive film that comes in a variety of patterns, from simple horizontal or vertical lines to decorative trellises and even colorful, nature-inspired designs. Order the film and install it yourself, or request a professional installation if you prefer.Download and use 40,000+ Bird stock photos for free. Thousands of new images every day Completely Free to Use High-quality videos and images from Pexels 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/37ZBdoNApr 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. 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 ... 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 ... Sep 29, 2019 · 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 ... A bird is an animal with wings, feathers, and two legs. Birds, from chickens to crows, are also warm-blooded and lay eggs.22 hours ago · Historically, bird flu has affected mostly poultry, but this new strain has proved deadly for wild birds and other animals across the world. Globally, the strain has killed more than 75,000 wild ... 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 ...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 ...Add the detail of feathers to the bird. Draw a series of "U" shaped lines within each wing, parallel to the flight feathers. Allow some of the "U" shaped lines to connect, and others to stand alone. Draw several curved lines on the bird's torso. Draw slightly curved lines down the length of the tail.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/37ZBdoNAccess 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 Birds of Prey. Ducks and Geese. Finches and Buntings. Hummingbirds, Swifts and Swallows. Medium-sized land birds. Songbirds. Sparrows. Tanagers and Blackbirds.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.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.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. 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/37ZBdoNHigh metabolism: Birds have a high, efficient metabolism that quickly turns food into usable energy. They have a four-chambered heart and high respiratory rate as well, which helps them be efficient and agile fliers as well as maintain their high body temperatures. Bipedal: All birds have two legs used for perching, walking, hopping, or running.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 ...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 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 iBirds are animals hardwired for flight. Though some of them, like penguins, have lost the capability to fly, several kinds are able to run, jump, swim, and dive.Every inch of a bird’s physical make-up is fashioned to induce lift; hence airplane wings are designed after bird wings.Aug 25, 2023 · 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 ... 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.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...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 circleAug 27, 2020 · The birds, a kind of cockatoo common in Australia, have distinctive pink and gray feathers. A great white heron uses a water buffalo as a fishing perch. The toucan has a large yellow and black beak and blue striped wings. 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.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. Oct 4, 2003 · Generally a girl or young woman who comes across as vain, ditzy, stupid or useless. May 16, 2020 · In September 2019, Science published findings that North America had lost close to a third of its birds in the past 50 years. One of birds’ broadest responses to human behavior, it turns out ... 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.Ground birds, especially if they’re nesting, would be highly at risk. Baby birds would be very easy prey for a dog. Adding a bell to your dog’s collar is another option. It will alert the birds and give them a chance to make a getaway. Redirection Training. Keep in mind that your dog’s prey drive is pretty powerful.Free as a bird definition: completely free , with no worries or troubles | Meaning, pronunciation, translations and examplesBirds of Prey. Ducks and Geese. Finches and Buntings. Hummingbirds, Swifts and Swallows. Medium-sized land birds. Songbirds. Sparrows. Tanagers and Blackbirds.Free as a Bird Lyrics. [Chorus: John Lennon] Free as a bird. It's the next best thing to be. Free as a bird. [Post-Chorus: John Lennon] Home, home and dry. Like a homing bird, I'll fly. As a bird ...Aug 27, 2020 · The birds, a kind of cockatoo common in Australia, have distinctive pink and gray feathers. A great white heron uses a water buffalo as a fishing perch. The toucan has a large yellow and black beak and blue striped wings. 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. 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. Download and use 40,000+ Bird stock photos for free. Thousands of new images every day Completely Free to Use High-quality videos and images from Pexels Historically, bird flu has affected mostly poultry, but this new strain has proved deadly for wild birds and other animals across the world. Globally, the strain has killed more than 75,000 wild ...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.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 60–100 km/hr (40–60 mph)—the faster-flying birds such as falcons, ducks, geese, and domestic pigeons. A homing pigeon has been timed at 152 km/hr (94 mph). The fastest bird, however, is the peregrine falcon, whose speed in a dive has been measured in excess of 320 km/hr (200 mph). The record long-range flight of a bird species in a single ... 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.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.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 ...Jan 25, 2021 · 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. 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.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 ...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.High metabolism: Birds have a high, efficient metabolism that quickly turns food into usable energy. They have a four-chambered heart and high respiratory rate as well, which helps them be efficient and agile fliers as well as maintain their high body temperatures. Bipedal: All birds have two legs used for perching, walking, hopping, or running.Dec 4, 1995 · Free as a Bird Lyrics. [Chorus: John Lennon] Free as a bird. It's the next best thing to be. Free as a bird. [Post-Chorus: John Lennon] Home, home and dry. Like a homing bird, I'll fly. As a bird ... 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 ... Jan 25, 2021 · 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. 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. 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.com4 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 ... Apr 8, 2023 · Names for Pairs of Birds. Some types of birds like it better when they have a friend, so if you are planning on getting a pair, here are some fun ideas for the new buddies. Abbott & Costello. Jack & Jill. Adam & Eve. Step 6. Draw two parallel lines at the bottom of the legs, staggering them slightly – these will be the feet. For the beak, draw a simple triangle, making the top half thicker. Then, using the initial wing construction line you drew in the last step, draw an isosceles triangle as shown.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 ... Historically, bird flu has affected mostly poultry, but this new strain has proved deadly for wild birds and other animals across the world. Globally, the strain has killed more than 75,000 wild ...Lovebird – Small parrot 5 to 6 inches long; Quiet but intelligent bird with charming personality; Lives 20 years; Bright green with orange breast, blue lower back, and red beak. Cockatiel – Fun personality; Rather mimic sounds and whistle than talk although they can speak; 11 to 12 inches long makes them a medium-sized parrot; gray with ... Detailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles. Jan 25, 2021 · 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. The Crossword Solver found 30 answers to "a bird", 5 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results. Click the answer to find similar crossword clues . Enter a Crossword Clue.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’ 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.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 ...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.Use Solyx Bird-Safety Film if you want more decorative options. Solyx Bird-Safety Film is an adhesive film that comes in a variety of patterns, from simple horizontal or vertical lines to decorative trellises and even colorful, nature-inspired designs. Order the film and install it yourself, or request a professional installation if you prefer.A. Abert's Towhee. Acadian Flycatcher. Acorn Woodpecker. Alder Flycatcher. Aleutian Tern. Allen's Hummingbird. Altamira Oriole. American Avocet. American Bittern 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.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 ...The birds, a kind of cockatoo common in Australia, have distinctive pink and gray feathers. A great white heron uses a water buffalo as a fishing perch. The toucan has a large yellow and black beak and blue striped wings.The birds, a kind of cockatoo common in Australia, have distinctive pink and gray feathers. A great white heron uses a water buffalo as a fishing perch. The toucan has a large yellow and black beak and blue striped wings.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 ...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 ... 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 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. 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 ...Apr 19, 2020 · David Allen Sibley/Knopf. "A bird's experience is far richer, complex, and 'thoughtful' than I'd imagined." This sentence on the first page of David Allen Sibley's What It's Like to Be a Bird is a ... 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.
Add the detail of feathers to the bird. Draw a series of "U" shaped lines within each wing, parallel to the flight feathers. Allow some of the "U" shaped lines to connect, and others to stand alone. Draw several curved lines on the bird's torso. Draw slightly curved lines down the length of the tail.. Jordo
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.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 ...An envelope. It indicates the ability to send an email. An curved arrow pointing right. Scientists have uncovered a 150-million-year-old dinosaur that could rewrite the history of bird evolution ...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.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/37ZBdoNBirds’ 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.1. Birds are the only living animals that have feathers. 2. All birds fly. 3. All birds have two wings. 4. Birds lose and replace their worn or damaged feathers. 5. All birds have thick, heavy bones that provide the structure they need to fly. 6. Birds have poor eyesight. 7. Birds have heartbeats that are slower than humans. 8. All birds lay ... Dec 4, 1995 · Free as a Bird Lyrics. [Chorus: John Lennon] Free as a bird. It's the next best thing to be. Free as a bird. [Post-Chorus: John Lennon] Home, home and dry. Like a homing bird, I'll fly. As a bird ... 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 ... Detailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles. Download and use 40,000+ Bird stock photos for free. Thousands of new images every day Completely Free to Use High-quality videos and images from Pexels 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. 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 ... 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. Jan 25, 2021 · 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. 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 ... “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 ... 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. 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..