The elephant brain weighs about 6,000g.
274
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Cats recognise the voice of their owner, but never evolved to care.
22
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17