The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Only 3% of bird species have penises.
0
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
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Dogs sometimes fake being sick to get attention.
26
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20