Pioneering research into “edge effects” in these areas indicates that their effectiveness is far less than previously thought.
Youngsters keep their gray plumage for a year before their diet helps it change color.
The rescue was potentially dangerous as the cub’s mother was nearby.
Fossil found in China may explain how the mega predators traveled from Europe to the Americas.
Underwater wildlife is threatened by pollution and climate change. The images are a reminder of what the world stands to lose.
Austrian Zoo distributes fruit slices to its animals to mark National Watermelon Day.
Animal activists accuse officials of cruelty.
The pair made each other’s dreams come true by starting a social business that produces lip balms, candles and honey.
Harlequin frogs are so toxic their secretions are used on lethal rainforest blow darts.