--subdivision Variation under individual animals and groups of animals, e.g. Fishes--Variation
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Animal Vocalization -- See Sound production by animals Here are entered works on the anatomy, physiology, and behavior involved in the production of sound by animals. Descriptions, notations, or recordings of the sounds made by animals are entered under Animal sounds. Works on the calls used by humans to attract or lure animals and which may imitate characteristic animal sounds are entered under Animal calls. --subdivision Vocalization under individual animals and groups of animals, e.g. Mammals--Vocalization; Cattle--Vocalization
