Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Cats and dogs can hear ultrasound.
350
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6