Whether it’s an emperor penguin launching from the sea, a playful Adélie penguin or a colony of king penguins, these globe-spanning seabirds inspire awe and conservation.

This incident underscores a stark reality: Under some climate scenarios, scientists predict, 80 percent of Antarctica’s emperor penguin colonies will disappear by the turn of the century.

Turns out that lying down to catch some Zs is not universal. Some animals skip the whole “horizontal nap” deal and snooze ...