The elephant brain weighs about 6,000g.
274
The cat brain weighs about 30g.
167
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The largest earthworm on record was found in South Africa and measured 22 feet.
151
One in three dog owners say they have talked to their pets on the phone.
427
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12