Then, that pixel measurement can be converted into a real-world measurement in millimeters. This allows scientists to estimate just how much energy the penguin is getting from each foraging trip.

A 13-year study of tiny penguins in Australia has dispelled the long-held myth that these seabirds mate for life, with the 'divorce rate' nearly 10 times that of the current statistics for US adults.

This story appears in the September 2009 issue of National Geographic magazine. First comes the Noise, the turbulent din of king penguins calling, fighting, courting, like the ultimate schoolyard ...

Penguins do seek greener pastures when the mating season is disappointing. A study lasting a decade has found that although penguins often "mate for life", akin to humans, they also look for ...

Birds lay eggs of surprising variety, and scientists have long wondered why. Could it be that certain shapes protect eggs from shattering? Or perhaps allow them to fit snugly in a nest? Or was ...

LITTLE ROCK, Ark. (KATV) — The Little Rock Zoo saved the life of a penguin this week after removing a straw that was stuck in its esophagus. Officials with the zoo say that a member of their ...

“I’m not sure if that is a myth or if wild penguins are more likely to mate for life, but our penguins here do not mate for life,” she said, adding with a laugh, “I could write a soap ...

Joao Pereira de Souz saved Dindum the penguin's life after finding him washed up on the beach in Rio de Jeniro in 2011, covered in oil. Once Dindum had recovered de Souza tried to release him back ...