Most Steller sea lion populations declined markedly in the 1980s and 1990s, even though the animals are protected. Scientists are unsure what factor or combination of factors was responsible for ...

Lion tamarins take their name from their impressive ... and birds. These interesting animals are threatened, as are many of the forests in which they live. Brazil's Atlantic coastal rain forests ...

This story appears in the August 2013 issue of National Geographic magazine. They say that cats have nine lives, but they don’t say that about the Serengeti lion. Life is hard and precarious on ...

Are South Africa’s captive lions inbred? Are South Africa’s captive lions inbred? Inside the race to save West Africa’s endangered lions Inside the race to save West Africa’s endangered ...

This story appears in the April 2014 issue of National Geographic magazine ... Many of the large exotic animals that end up in backyard menageries—lions and tigers, monkeys and bears—are ...

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...

Like all plesiosaurs, Styxosaurus's limbs were two pairs of flipper-like paddles, which it moved in a figure eight motion to fly through the water much as seals and sea lions do today. In some ...