Does a swallow sleep on the wing?

Why do kiwis dig a burrow for their eggs? What do nesting birds eat? What is the head bolt settings for a same condor? Birds are more common in island communities than mammals because many birds can? How do flies survive the winter? A female gander? What are golden moles predators? What was passenger pigeon's food habits? Do parrot give birth? An owl in South Florida near Homestead in pine hammocks that sounds like a whippoorwill except it has four sounds hoo hoo hoo hoooooo not screeching like other owls but deep and clear? What are the reasons the extient of animals and birds? What are two structural adaptations of the bat? Is it the eagle uses its beak to tear the flesh of its prey while holding on to the animal with its claws? What mythical creatures fly? What do you do if you find a bird that cant fly? What do anhingas eat? Why did Howard Cosell go bald? People use the frais eats like a bird to describe a person who eats very little is this saying approperate? Which birds have wings but cannot fly? What bird has blue feathers and webbed feet?