The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Only 3% of bird species have penises.
0
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A lion in the wild usually makes no more than twenty kills a year.
186
The largest breed of rabbit is the Flemish Giant.
65
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82