Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Parrot parents "name" their children with a signature call.
112
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
One in three dog owners say they have talked to their pets on the phone.
427
Sheep, goats, octopuses, and toads have rectangular pupils.
7