Cats and dogs can hear ultrasound.
350
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7