Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
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
In Australia, there are spiders big enough to eat snakes.
20
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
The elephant brain weighs about 6,000g.
274
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