1) Which bird is known for its distinctive "laugh"?
2) What is the biggest bird species in the world?
3) What type of bird is generally thought to be a symbol of luck?
4) What type of bird is the fastest in level flight?
5) What type of bird is the only one known to have a heart with four chambers?
6) How many primary feathers do most birds have on one wing?
7) What type of bird is a national symbol of the United States?
8) What type of bird is capable of producing sound by manipulating air with its syrinx?
9) What type of bird is the only one known to use tools?
10) What type of bird has a hooked bill and webbed feet?