--divisions, classes, orders, etc. of the animal kingdom, e.g. Invertebrates; Vertebrates; Birds; Insects; Mammals; Cetacea; Ungulata; and particular animals, e.g. Antelopes; Buffaloes; Squirrels; Tigers; and headings beginning with the word Animal
-- See Also the narrower term Zoology Pictorial works Here are entered scientific works consisting exclusively or predominantly of pictures without a significant amount of text. Popular works containing chiefly pictures and photographs of animals are entered under Animals--Pictorial works.