A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
Slugs have 4 noses!
17
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
The colossal squid has the largest eyes in the world.
4
If NASA sent birds into space they would soon die; they need gravity to swallow.
146