A group of unicorns is called a blessing.
304
A scorpion can hold its breath for up to 6 days.
19
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The reindeer is the only mammal that can see UV light.
17
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17