Behavior
10 Animals That Hibernate the Longest: Real Records Explained
Which animal hibernates the longest? Compare edible dormice, ground squirrels, bats, marmots, lemurs and other extreme hibernators.
Featured guide
Why Do Camels Have Humps? Fat vs. Water
Camels have humps because the humps store fat, providing a concentrated reserve of energy when food is scarce. Contrary to a widespread myth, camel humps do not store water. When a camel uses its fat reserves, its hump may become smaller or droop. Camels survive dry environments not because they car
