What is birdbell?

What is the origin of the myth stating a duck's quack does not echo? How many chromosomes does a red tailed hawk have? How much does a toucan weigh? Is the eagle medieval? What does nelspruit mean? What helps the tundra swan survive in the tundra? Are cheetahs more endangered than bald eagles? What does a tufted titmouse eat? Does a barn owl have a mate for life? Birds that migrate during the winter is what? Why did Isabella bird become a explorer? What is the name of the singing creature from the Odyssey? What makes up an owls diet? What sport can you score birdies eagles and albatrosses? What is the relationship between bison and cowbirds? The young one of a hen? Do trumpeter swans have teath? What can you do to help the emu? Are Galahs Warm blooded? What year did the dodo go extink?