Cats and dogs can hear ultrasound.
350
There are approximately three chickens for every human on Earth.
13
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The seahorse is the only fish to have a neck.
12
A 42-foot sperm whale has about 7 tons of oil in it.
209
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9