Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
The Basenji dog is the only dog that is not able to bark.
4
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
The seahorse is the only fish to have a neck.
12
There's a rare breed of pig that looks like a sheep.
14
Sharks, like other fish, have their reproductive organs in their chests.
248