Sharks, like other fish, have their reproductive organs in their chests.
248
A lion in the wild usually makes no more than twenty kills a year.
186
Dogs sometimes fake being sick to get attention.
26
Only 3% of bird species have penises.
0
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271