Dogs sometimes fake being sick to get attention.
26
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cows can sleep standing up, but they can only dream lying down.
745
Lobsters have blue blood.
476
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8