A dairy cow can produce more milk when listening to music.
446
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Cats recognise the voice of their owner, but never evolved to care.
22
There are approximately three chickens for every human on Earth.
13
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
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