Cats and dogs can hear ultrasound.
350
The cat brain weighs about 30g.
167
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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
Parrot parents "name" their children with a signature call.
112