Platypus ecologist Josh Griffiths is expressing grave concern about the status of platypus populations in Australia. 

Following nationwide online voting this month, the San Diego Zoo’s new river hippo calf now has a name. The 20-day-old female will be called Amahle (pronounced ah-MA-shay), which means “beautiful one” in Zulu.

Scientists at San Diego Zoo Global’s Frozen Zoo® have achieved a major milestone in saving wildlife species: This unique collection of genetic material now contains 10,000 individual cell lines from more than 1,100 species and subspecies—some of them critically endangered.