The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Squirrels forget where they hide about half of their nuts.
698
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
The cat brain weighs about 30g.
167
