Sloths take two weeks to digest their food.
243
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Cats recognise the voice of their owner, but never evolved to care.
22
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59