Sharks, like other fish, have their reproductive organs in their chests.
248
Cats recognise the voice of their owner, but never evolved to care.
22
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
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Cats and dogs can hear ultrasound.
350
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9