A zoo euthanized a “beloved” North American river otter after her health declined due to her age, Oregon zookeepers said.

Tilly, a river otter, came to the Oregon Zoo in 2009 as an injured and orphaned pup. She birthed four pups while at the zoo.

The discovery of four lynxes in the Scottish Highlands reinvigorated a debate over an illicit conservation practice that has ...

From the anemone and blue butterflies, to the gazelles, the hoopoes, and the varied terrain, here are 77 reasons to love the ...

Imagine strolling along the bustling Singapore River at dawn, skyscrapers glittering overhead, when suddenly a family of ...