Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
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 octopus does not have a blind spot.
273
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Only 3% of bird species have penises.
0