The thriving bird colonies likely grew over several decades because local shepherds had temporarily eliminated pumas ...

Caption Footage from penguin-mounted mini video recorders shows four species of penguin eating jellyfish and other gelatinous animals of the open ocean, a food source penguins were not previously ...

Humboldt penguins Invading rats with bodies up to 20 centimetres long have begun eating eggs and chicks, and some experts fear that unless the rats are eradicated, they could tip the Humboldt ...

Successful breeding was strongly related to the amount of krill in the diet, with few chicks fledging in years where krill was particularly scarce. The longest and most comprehensive study to date ...

The world is getting warmer, and due to the changing climate, there is evidence that the sardines and anchovies the penguins eat have begun moving to colder waters, away from the penguin colonies ...