Sharks, like other fish, have their reproductive organs in their chests.
248
When cats are happy, they may squeeze their eyes shut.
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
Tigers can see 6 times better at night than humans.
305
Bats sleep 18-20 hours per day.
5
The seahorse is the only fish to have a neck.
12