The octopus does not have a blind spot.
273
The reindeer is the only mammal that can see UV light.
17
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
When cats are happy, they may squeeze their eyes shut.
10
Early American humans hunted car-size armadillos and used their shells for houses.
12
Nicole Kidman is scared of butterflies.
65
Sharks, like other fish, have their reproductive organs in their chests.
248