The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Two dogs were among the Titanic survivors.
262