A group of kittens is called a "kindle".
10
Cows can sleep standing up, but they can only dream lying down.
745
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17