Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of pumas have found an unexpected new main source of prey: Magellanic penguins.

Pumas in southern Patagonia have discovered an unexpected new food source in the dense colonies of Magellanic penguins, and the shift is rewriting what scientists thought they knew about big cat ...

Penguins, it seems, can't really taste their dinners. They aren't able to pick up on sweetness, bitterness, or a meaty flavor known as umami, a study finds. Instead, they can only taste sourness and ...