The elephant brain weighs about 6,000g.
274
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Bats sleep 18-20 hours per day.
5
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Dogs sometimes fake being sick to get attention.
26