Enclosure

Enclosure - is an enclosed area designed for keeping birds and animals.
Enclosure can be covered (with a canopy) or open. Usually at least one wall of an enclosure is made of a metal mesh that pets can observe what is happening around. To protect the animals from inclement weather covered cells or houses can side to the area.
Also, the enclosures can be demonstrative, ie intended for animal display, or serving to accommodate pets. Thus, in the homes of the hunter the enclosures are intended for keeping hunting dogs.
In zoos, zoological gardens demonstration enclosures are organized, which creates living conditions as close to natural.