Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The octopus does not have a blind spot.
273
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
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