The seahorse is the only fish to have a neck.
12
Two dogs were among the Titanic survivors.
262
Cats and dogs can hear ultrasound.
350
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
The elephant brain weighs about 6,000g.
274
A group of kittens is called a "kindle".
10
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11