Whales and dolphins can't taste anything other than salt.
11
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Cats and dogs can hear ultrasound.
350
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16