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
Cats recognise the voice of their owner, but never evolved to care.
22
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Alligators can live up to 100 years.
337
The cat brain weighs about 30g.
167