A new analysis of old data suggests that the endangered erect-crested penguin’s bizarre nesting habits – rejecting the first egg they lay – is because they can’t feed two chicks, and the second, ...

Dozens of colonies of three species show the same trend, which could produce unclear ecological consequences Every year, ...

Penguins won't lay their eggs any old time of year. They carefully synchronize breeding time with the seasons to give the ...

In what seems like an inefficient use of resources, these penguins always lay two eggs, but then ignore, discard, or just ...

IFLScience needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time.

For four years, keepers at Birdland Park and Gardens waited patiently for Maggie, their prized female king penguin, to lay an egg. She kept flirting with the male penguins. There was even mating, ...

The parents of Toga — the infant penguin whose disappearance last month was followed around the world — have laid a new egg, zookeepers said Monday. Toga, a 3-month-old jackass penguin, disappeared in ...

In Antarctica, penguins do not lay their eggs at random. Their breeding cycles are precisely timed with the seasons, so ...

Some penguins are wonderfully cooperative: they breed in predictable, accessible places, with tidy, well-defined colonies, ...