Dunkleosteus lived around 360 million years ago ... Last but not least, Opabinia is, by far, one of the weirdest extinct animals to ever live on our planet. It actually looked like something ...

It should be no surprise that New Zealand is home to some strange birds. The Kakapo may be the cutest one we have on this list and the most unusual parrot you will ever see. For a parrot ...

Some paleontologists now suspect that hundreds of pterosaur species may have lived at any one time ... one of the largest flying animals yet discovered, nearly as tall as a giraffe, with a ...