Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A puppy is born blind, deaf, and toothless.
16
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Parrot parents "name" their children with a signature call.
112
Sloths take two weeks to digest their food.
243
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-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