What adaptations helps a bird obtain oxygen?

What type of bird is superb blue? How many buildings does canary wharf have? Will hawks eat already dead prey? Is a sparrow hawk bigger than a kestral? How long does a yorkie beagle mix live? Do budgies sleep in the day? Which bird has a huge pouch that can hold 13 liters of water? What determines how high a bird can fly? How fast is the magnificent frigate bird in its fastest flight? What does tunkul mean? Is it possible to litter box train a duck? How do birds protect themselves from their enemies? How are penguins birds if they can't fly? Are ducks and platypuses related? Name the birds that stretches its wings out to dry found only in the Everglades? Can a goose be dangerous? How long is a Parrot's life span? What kind of relationship does a hawk and a chick have? Where do road runners sleep? What is a sparrow called in Hindi?