A scorpion can hold its breath for up to 6 days.
19
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The seahorse is the only fish to have a neck.
12
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
A lion in the wild usually makes no more than twenty kills a year.
186