Dolphins sleep with one eye open!
52
Certain frogs (like the Wood Frog) can be frozen, thawed, and survive!
196
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Goldfish lose their color if they are kept in dim light or are placed in a body of running water, such as a stream.
12
A shrimp's heart is in its head.
32
Cats cannot taste sweet things.
22