The elephant brain weighs about 6,000g.
274
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11