This story appears in the December 2015 issue of National Geographic magazine. We were sitting in the dark, waiting for the leopards beside a trail on the edge of India’s Sanjay Gandhi National ...

The leopard seal is named for its black-spotted coat. The pattern is similar to that of the famous big cat, though the seal's coat is gray rather than golden in color. This seal is sometimes ...

Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but for the food industry (frog legs) as well. However, massive ...