From pebble-proposing Adélies to tuxedo-clad Emperors, test if you're cool enough to join the huddle without belly-sliding into failure.
When penguins use their spiny tongues and powerful jaws to grip slippery prey, where are they?
Underwater
Which penguin species returns each year when Antarctic sea ice reforms to reach its breeding colony?
Emperor penguin
What substance do penguins spread from a gland near the tail over their feathers during preening to improve water resistance?
Oil
During which life stage can competition from commercial fisheries be especially risky for penguins?
Chick-rearing
What unusual substance did Humboldt penguins historically dig through to create nesting burrows for their eggs and hatchlings?
Guano