Domestic pigs average a top speed of about 11 miles per hour.
182
Cats recognise the voice of their owner, but never evolved to care.
22
A domestic cat can sprint at about 31 miles per hour.
274
Condoms were originally made of animal intestines or linen.
347
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
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