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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The octopus does not have a blind spot.
273
A scorpion can hold its breath for up to 6 days.
19
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13