The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Humans and dolphins are the only species that have sex for pleasure.
61
Hyenas regularly eat the feces of other animals!
-1
A polar bear's skin is black. Its fur is not white, but actually clear.
25
An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30