Here are entered works on the protection of wildlife, as a matter of public policy. Works on methods of bringing wildlife populations to desired levels are entered under Wildlife management. --subdivision Conservation under individual animals and groups of animals, e.g. Fishes--Conservation
--subdivision Abnormalities under individual animals and groups of animals and individual organs and regions of the body, e.g. Cattle--Abnormalities; Fishes--Abnormalities; Heart--Abnormalities; and subdivision Spermatozoa--Abnormalities under individual animals and groups of animals, e.g. Cattle--Spermatozoa--Abnormalities; Fishes--Spermatozoa--Abnormalities
Here are entered works on the variety, distribution, and abundance of different animals, the ecological functions and processes they perform, and the genetic diversity they contain at local, regional, or landscape levels of analysis. --subdivision Variation under individual animals and groups of animals for works on diversity or variation within a species or group, e.g. Fishes--Variation