They're one of the only bird species to do this. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers have cracked the case of why ...

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, ...

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, ...

On the Antipodes Islands in the South Pacific, researchers observed a strange parenting move in erect-crested penguins — laying an egg that’s doomed to die. By Darren Incorvaia In 1998, a team of ...