A dairy cow can produce more milk when listening to music.
446
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
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12