In the U.S. 42 species of birds have low and steeply declining populations that put them on the brink of disaster, scientists ...

From the Galapagos Islands to New Zealand, species of birds that exist today model characteristics of their ancestors that provide clues to the environmental forces that shaped their evolution.

One of the most recognizable characteristics of birds is that they fly. Still, birds aren’t defined by an ability to fly, and there are a number of species worldwide that are ground-based.

So usually they'll be able to keep warm, no matter where they are. What makes an animal a bird? Learn about the different characteristics that make an animal a bird in this video.

These colors distinguish them as some of the world's most dramatic and attractive birds. Males often sport vibrant feathered ruffs or amazingly elongated feathers, which are known as wires or ...

Boa constrictors will eat frogs, birds, lizards and even small deer ... Pupils could be asked to compare the characteristics of reptiles against other animal types. This short film is relevant ...

The Oriental Dwarf Kingfisher, known as the 'jewel of Indian rainforests,' is a stunning and elusive bird found in the rainforests of southwest India. Its vibrant colors and shy behavior make it a ...