There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Cats and dogs can hear ultrasound.
350
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
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
Tigers can see 6 times better at night than humans.
305
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20