At 188 decibels, the whistle of the blue whale is the loudest sound produced by any animal
34
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Cats recognise the voice of their owner, but never evolved to care.
22
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Placing alcohol on a scorpion's back will make it go crazy and fatally sting itself.
1k
Frogs sometimes eat enough fireflies that they themselves glow.
71