America is home to incredible wildlife, but some species are dangerously close to extinction. From majestic eagles to rare ...

Fauna & Flora, an international nature conservation group, has identified 10 weird and wonderful species at risk of extinction for ... illegal pet trade. Getty Images The gigantic whale shark ...

DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.

or critically endangered due to multiple environmental threats. Freshwater ecosystems comprise less than 1 percent of the Earth's surface but are home to 10 percent of all known animal species.