What type of bill has a hinged jaw that opens widely?

Which type of flight allows a bird to coast "downhill"

Which group of birds does not provide parental care for their young?

What type of bird is known for climbing down a tree trunk headfirst?

What is the nutrient-rich fluid feeds an unhatched chick?

What is the world's fastest bird?

What type of bird foot has three forward toes and one hind toe?

What bird is known for building a nest and decorating it with shiny objects?

What is the shell of an egg made from?

What is the region of an egg where the embryo develops?

What is the act of keeping eggs warm for proper chick development called?

What is the largest living bird?

What type of flight involves remaining stationary?

What are the colors and markings characteristic of a particular bird species?

What type of foot has two toes forward and two toes backward?

What is the retractable group of feathers is supported by a bird's "thumb" bone?

What are the migration routes that a bird follows year after year?

What organ produces the oil that birds spread over their feathers?

What bird behavior involves smaller birds harrassing a much larger bird?

What special section of a bird's stomach grinds food to make it more easily absorbed?

What structure on the sternum provides an attachment for the flight muscles?

What are the shell membranes of an egg made from?

How many shell membranes does an egg have?

What group of birds don't have a keel?

What group of birds is often hunted or farmed for food?

What group of birds includes pelicans and grebes?

What group of birds includes eagles and hawks?

What group of birds includes chicken and quail?

What group of birds include ostritch and emus?

What group of birds includes macaws and parakeets?

What are the strong feathers found on a bird's body called?

What type of visions do most birds have?

What is built-in knowledge gained from birth?

What type of migration involves moving short distances up or down a mountain?

What bird behavior involves "bathing" in dust?

What does "plumage" refer to?

What is the food storage sac in the esophagus called?

What are the most important flight muscles?

What organ allows a bird to produce sound without vocal cords?

What is the world's smallest bird?

What is the world's largest flying bird?

What are the soft fluffy feathers that are used for warmth?

What type of bill is used for finding crustaceans buried in sand?

What holds the yolk body in place inside an egg?

What do birds do to replace old broken feathers?

How many chambers does a bird's heart have?

What type of bird is born with down and the ability to walk or swim shortly after hatching?

What type of vision do birds of prey usually have?

What type of birds hatch featherless and helpless?

What type of bird flight involves using a thermal to gain altitude?

What type of bird food has webbing in between the toes?

What type of foot does a hunting bird use?

Where do birds lose their feathers for incubation?