Cats recognise the voice of their owner, but never evolved to care.
22
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Moths are unable to fly during an earthquake.
328
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10