Young male gorillas usually leave their family group when they are about 11 years old and have their own family group by the age of 15 years old. Young female gorillas join a new group at about 8 years old.

The scarlet tanager, a songbird native to Illinois, can eat as many as 2,100 gypsy-moth caterpillars in one hour.

Spiny lobsters migrate in groups of 50 or more, forming a conga line on the ocean floor.

AMAZING FACTS