A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
A tuna fish can swim 100 miles in a single day!
29
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
Turtles can live for more than 100 years.
84
Alligators can live up to 100 years.
337
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1