The seahorse is the only fish to have a neck.
12
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Denmark has twice as many pigs as there are people.
66
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17