Animals

Today, axolotls can be found only in the southern parts of Lake Xochimilco since Lake Chalco was artificially drained in the late 1860s to prevent flooding.

It is the female who chooses her mate, first by attracting him with pheromones and then by fighting ...

They need to resurface to breathe, since lacking gills, but would rather emerge slowly, and dive quietly after taking a breath.

Adults are found at depths of several meters, following schools of other fish. In the Baltic Sea, the pike has been reported to follow herring schools.

It is also called the giant toucan, and common toucan.

The oxygen carrier is hemocyanin and the copper it contains. Hemocyanin is blue.

Ocean sunfish are docile creatures that have no interest in humans. Sometimes they can hurt people when jumping out of the water and landing on boats.

It is a shell snail that can grow up to 91 cm in length and weigh 18 kg. It inhabits the waters around Australia, where it hunts polychaetes.

It is a common trait among all whales.

Their weight also varies greatly, with the smallest species weighing around 45 kilograms while the largest weighing as much as 2.4 tons.