Even when temperatures drop below zero degrees Fahrenheit in the frigid Antarctic, emperor penguins can stay toasty warm. The ...

Emperor penguins almost never move on their own. Travel choices tend to spread through the group, with one bird’s decision quickly influencing the rest. When a few start walking, others often follow, ...

Penguins do not react to people the way most wild animals do. When a human appears on an Antarctic shoreline, many penguins do not scatter or hide. They keep walking. Some pause a short distance away ...