Cows can sleep standing up, but they can only dream lying down.
745
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Squirrels forget where they hide about half of their nuts.
698
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6