The Basenji dog is the only dog that is not able to bark.
4
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
A cow produces around 200,000 glasses of milk in her lifetime.
373
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Nicole Kidman is scared of butterflies.
65
Tigers can see 6 times better at night than humans.
305