Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The elephant brain weighs about 6,000g.
274
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
The colossal squid has the largest eyes in the world.
4
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23