Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Cats recognise the voice of their owner, but never evolved to care.
22
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17