The elephant brain weighs about 6,000g.
274
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Nicole Kidman is scared of butterflies.
65
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9