Animals

The term “jellyfish” is commonly used to describe a marine animal, distinguished by its umbrella-shaped bells and tentacles, but it is in fact a predatory, sexual stage of medusozoan cnidarians.

The largest specimens may reach 3,5 meters total body length. Adults weigh about 16 kilograms on ave ...

These spiders require high temperatures, which the European climate cannot provide for them. 

When disturbed, those lizards hiss and reveal their tongues.

To subdue and kill their prey they constrict it by wrapping around its body.

Mink fur does not get wet thanks to the layer of air that creates insulation.

Most of these extinct species inhabited oceanic islands. The factors posing the greatest threat to insects are artificial lighting, pesticides, urbanization, and the importation of invasive species.

The average body length of a female is about 4 meters, and males 4.5 meters.

It has two dorsal fins, the first of which, shaped like an almost regular isosceles triangle, is not ...

Marine species are forced to emerge from time to time to get fresh air. The frequency with which the ...