Animals

They do not need a special water source to quench their thirst.

The name okapi comes from the language of the local African tribe Mbuba from the word o'api.

Guinea pigs have well-developed hearing.

Historically, the Arabian oryx lived mainly in the Middle East; until the early 19th century, there were large herds of oryx in Palestine, Sinai, Iraq, and Transjordan.

They have only six cervical vertebrae.

Approximately four thousand people a year are bitten by the Brazilian cottonmouth.

The first okapi was born in captivity in 1919 in the zoo of Antwerp.

They are mostly solitary and use two techniques to mark their territory and alert females to their presence.

Otters can close their nostrils and ears while diving, preventing water from getting in.

Tiger shark is the fourth largest shark on Earth.