Animals

Males are more colorful than females.

The first cases of hirudotherapy were recorded in Ancient Egypt.

It is significantly smaller than its cousin from Africa, the African elephant.

Dolphins hunt in packs and feed on fish, squid, and crustaceans.

From around 1200 until the Spanish conquest in 1532, indigenous peoples used selective breeding of guinea pigs to develop many varieties that have become the basis for some modern domestic breeds.

They do not mate in long-term relationships, and rarely form social groups.

Males are larger, usually weighing between 22 and 45 kg, but individuals weighing 54 kg have been reported.

Martens have a perfectly developed sense of sight, smell and hearing.

It inhabits savannas and grasslands but can be found in open forests.

Narwhal skin is very rich in vitamin C.