Squirrels forget where they hide about half of their nuts.
698
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Dogs sometimes fake being sick to get attention.
26
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When cats are happy, they may squeeze their eyes shut.
10
Cats and dogs can hear ultrasound.
350
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12