By Mongabay.com The Philippine eagle is considered one of the world’s rarest birds of prey, with roughly 400 breeding pairs ...

These five birds face a variety of reasons why they are widely considered the rarest birds on the planet. Many factors, including climate change, deforestation, or just being sneaky, have helped ...

The bird’s obscurity is due in large part ... Tashi is just one of countless amateur biologists around the world, but he possesses a rare combination of passion and talent.

Then she pulled out her yellow tape measure to discern the length of the bird’s wingspan. “We’re measuring him for a suit,” she joked. (The Galapagos penguin, one of the world's rarest ...

These birds are “elusive and difficult to study ... to the revelation of a symbiotic relationship between the cahow and one of the world’s rarest lizards, the Bermuda skink.

The world is home to some incredibly rare and unique bird species. These rare birds are also critically endangered due to habitat loss and human activity. Galahs are members of the cockatoo family ...