Habitations of wild animals -- See Animals Habitations Here are entered works on natural shelters and homes that animals build for themselves, such as burrows, dens, lairs, lodges, etc. Works on the shelters and structures that humans construct and provide for wild or domestic animals are entered under Animal housing. --subdivisions Habitations and Nests under individual animals and groups of animals, e.g. Fishes--Habitations; Fishes--Nests
--headings for the ecology of individual environments, e.g. Desert ecology; and subdivision Habitat under individual animals and plants and groups of animals and plants, e.g. Cattle--Habitat; Fishes--Habitat; Corn--Habitat
Habitats, Space -- See Space colonies Here are entered works dealing with communities established in space or on natural extraterrestrial bodies. Works dealing with manned installations existing for specific functions on natural extraterrestrial bodies are entered under Extraterrestrial bases. Works dealing with manned installations existing for specific functions, such as servicing space ships, etc., in orbit around the earth or other natural extraterrestrial bodies are entered under Space stations.