The reindeer is the only mammal that can see UV light.
17
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
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dogs sometimes fake being sick to get attention.
26
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
A domestic cat can sprint at about 31 miles per hour.
274
A group of pugs is called a grumble.
10
Cats recognise the voice of their owner, but never evolved to care.
22