Genomes help us answer long-standing questions about Pacific pocket mice. 

For the first time in San Diego Zoo Global’s history, an echidna (ih-KID-na) baby—or puggle, as they are called—has hatched at the San Diego Zoo Safari Park.

In breeding programs aimed at conserving animals from small or isolated populations, scientists must balance the competing needs of adding genetic diversity and avoiding the introduction of harmful genes. 

Ever wanted to know how long a hippo can stay underwater? How they “dance” so gracefully through the water? Or how long they sleep?