Species Under Threat Quiz, Part 2

The loss of animal species is irreversible and potentially catastrophic, not to mention heartrendingly sad. Where do we stand? Face the facts with this quiz.

Species Under Threat Quiz, Part 2

This grumpy-faced lizard is under threat. Can its adorableness help save it?

Inside Taiwan's 'butterfly kingdom,' a rare natural wonder takes place every year

Newly discovered mantis species dances like a snake to avoid death after sex

How can we protect grizzly bears from their biggest threat—trains?

Rare yet resilient salamander marks 16,000th species in Photo Ark project