The head of a jellyfish is called the "Bell."
6
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
A group of unicorns is called a blessing.
304
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Ants have tiny magnetic compasses in their antennae which help them navigate.
9