Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Nicole Kidman is scared of butterflies.
65
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The Basenji dog is the only dog that is not able to bark.
4
Cats and dogs can hear ultrasound.
350
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A cat can jump FIVE TIMES as high as it is tall!
371