Cats and dogs can hear ultrasound.
350
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
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 largest earthworm on record was found in South Africa and measured 22 feet.
151
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
In 1949, an official boxing match between a bear and a man was held. The bear won.
41