Only 3% of bird species have penises.
0
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The largest breed of rabbit is the Flemish Giant.
65
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12