How does a halk adapt to the environment?

There were 9 ducks and 8 geese on the pond then some of the ducks flew away how many duck are left? A light thin growth covering a birds skin? Are sherpas asain cousins to the ostrich and emu? What is the climax of journey of the sparrows? What is the reproduction of macaws? What is the Greek word for pelican? Is taking a picture of a hummingbird good luck? What is a white bird with curved neck called? Why is the kakapo flightless? What is the name of a long neck white bird? Where owl do owls live? What colors are red tailed hawk's wings and how do they use them? Is duck sauce orange? How are hooves and webbed feet similar in their functions? Are the male birds of prey larger than the females please make it be the male? What are facts about the ostrich? How long have parrots been around for? Can mockingbirds be caged? What type of claws does hummingbird has? How can you encourage bluebirds to nest again?