Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Cows can sleep standing up, but they can only dream lying down.
745