The seahorse is the only fish to have a neck.
12
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Two dogs were among the Titanic survivors.
262
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Only 3% of bird species have penises.
0