A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
A dairy cow can produce more milk when listening to music.
446
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Drivers kill more deer than hunters do.
660
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Maggots will only eat flesh if it is dead. For this reason, they are often used to remove the burnt skin from severe burn patients.
26