The Basenji dog is the only dog that is not able to bark.
4
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Dogs have been man's pet for over 14,000 years.
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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 are one of the only animals to domesticate themselves and approach humans on their own terms.
20
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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