examples of birds 
There are more than 9,000 species of birds scattered around the world.
Noisy perching bird with drab plumage and a tuft of upright feathers on its head, found mainly in Australia; it can mimic human speech.
Noisy brightly colored perching bird found in the tropical forests of the Americas; it feeds mainly on seeds and fruit.
Widespread web-footed aquatic bird with long wings and a forked tail; it dives for the fish it feeds on.
Web-footed aquatic bird of the south seas; its wingspan can reach 10 ft, allowing it to glide for hours.
Large yet gentle bird found in the forests of the Americas; its dentate bill allows it to feed especially on fruits and insects.