Rockhopper penguins

You can tell this is a rockhopper penguin because of the distinctive crest of spiky yellow and black feathers that adorns its head.
Penguins feed their young by regurgitation

“The adult penguin will partially digest the fish or other food,” explains Sciencing.com. It can take several hours, but once the penguin determines the food’s been digested enough, it’s coughed back up and fed to the chick. The penguins pictured here are king penguins (king penguin chicks are born brown, and when they get older, they moult, and their feathers are replaced with their distinctive adult coat).
Male Adélie penguins help out around the house

Pictures of animals taking care of their young are, more often than not, pictures of female animals. Not so with penguin pictures. Here, a male Adélie penguin, native to Antarctica, shares in the egg-sitting duties.