The Basenji dog is the only dog that is not able to bark.
4
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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