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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Cats and dogs can hear ultrasound.
350
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A 42-foot sperm whale has about 7 tons of oil in it.
209