The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Basenji dog is the only dog that is not able to bark.
4
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Only 3% of bird species have penises.
0
Condoms were originally made of animal intestines or linen.
347
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
The elephant brain weighs about 6,000g.
274