Animals

They can be found across semiarid regions as well as at savannas or grasslands. Can be found also in humid forested areas and agricultural regions.

One of the most unusual features of the spotted hyena is the masculinization of females. The female’ ...

The head is small and quite flat, and the toes of the hind legs are webbed. Males differ in size fro ...

There are between 900.000 and 1,2 million during the breeding season. The mallard is probably the most numerous duck species.

Copulation can last from 30 seconds to 5 minutes, but these acts can be repeated when the male wants to ensure he has fertilized the female.

A jellyfish sting is painful and mostly not invasive, although it can be lethal.

According to research, while an octopus is resting, up to 41% of its oxygen needs can be met by cutaneous respiration.

Tracheae are protrusions of the insects' body walls that branch into a system of tubes inside the body. At the ends of these tubes are liquid-filled tracheae through which gas exchange occurs.

It is not comfortable in dense forests, so it usually chooses forest edges, parks, gardens, trees in fields and meadows, marshes and dunes.