Dogs sometimes fake being sick to get attention.
26
Bats sleep 18-20 hours per day.
5
A lion in the wild usually makes no more than twenty kills a year.
186
Sharks, like other fish, have their reproductive organs in their chests.
248
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
In 1949, an official boxing match between a bear and a man was held. The bear won.
41