It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Squirrels forget where they hide about half of their nuts.
698
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
The colossal squid has the largest eyes in the world.
4
Two dogs were among the Titanic survivors.
262
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
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