Islands are natural laboratories for a variety of fascinating avian evolutionary experiments, particularly islands that lack mammalian predators. New Zealand, for example, is home to a variety of ...

Paleontologists have identified the fossil of an extinct parrot the size of a preschooler. This flying behemoth, which the researchers nicknamed "Squawkzilla," stood 3 feet tall and weighed about 15 ...

Back in prehistoric times, everything was a monster compared to today including human-sized penguins and parrots nearly the size of furry mascots. Two recent fossilized bones discoveries in New ...

Scientists are adding a new creature to a list of giant, prehistoric animals that were previously unknown: The Heracles inexpectus, a supersize parrot, estimated to have been as tall as a small human ...

Paleontologists have found fossils of two extinct giant birds in New Zealand: an enormous penguin that would have been nearly as tall as an average adult human, and the largest parrot ever known to ...