A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The colossal squid has the largest eyes in the world.
4
Denmark has twice as many pigs as there are people.
66
Lobsters have blue blood.
476
The largest breed of rabbit is the Flemish Giant.
65
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18