When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Alligators can live up to 100 years.
337
A 42-foot sperm whale has about 7 tons of oil in it.
209
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
A group of unicorns is called a blessing.
304
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jellyfish as a species are actually older than dinosaurs and sharks.
383