Sloths take two weeks to digest their food.
243
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Tigers can see 6 times better at night than humans.
305
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