It wasn't until he posted his pictures to Facebook that he learned his bird sighting was extremely rare: a blue rock-thrush .

Paleontologists have uncovered fossils of a giant turtle species with some striking features, such as its shape, that lived ...

A rare sighting of a blue rock thrush was made by an amateur photographer at the Oregon Coast. It had only been seen in North ...

PORTLAND, Ore. (KOIN) — Rare fossils that likely came from extinct hippo-like mammals, which existed between 21 and 23 ...

Whale watchers in Southern California were in for a treat on Tuesday, as they were able to witness a very rare sight: a white ...