Ants have tiny magnetic compasses in their antennae which help them navigate.
9
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 octopus does not have a blind spot.
273
The seahorse is the only fish to have a neck.
12
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
Tigers can see 6 times better at night than humans.
305