Sasha and Nikolai -- a pair of Amur tigers -- now share an enclosure at Utah's Hogle Zoo as zookeepers look to breed the ...

After mating, they experience rapid physical decline, which leads to losing energy. Eventually, they become easy prey. This is part of a reproductive strategy called semelparity, where an animal ...

Maine is the only US State where Atlantic Puffins breed - if you want to see them before they leave, you must take a tour ...

An curved arrow pointing right. Humans have a long history of breeding animals for food. The animals, however, may not look the same now as when they were first domesticated. Photo courtesy of ...