When wood thrushes arrive in northern Mississippi on their spring migration and begin to serenade my neighborhood with their ...

The Pelagornis belonged to the family Pelagornithidae. These birds existed from the Late Paleocene age to the Late Pliocene ...

It's easy to see where it got its name from.

The emergence of four-legged animals known as tetrapods was a key step in the evolution of many species today - including ...