Here are entered works on physically interconnected animal organisms having a common ancestry through asexual reproduction. Works on groups of different animals interacting in the same habitat are entered under Animal communities. Works on societies of animals with a highly structured social life are entered under Animal societies.
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
