Natural History of the Racer Coluber constrictor

The author presents a comprehensive natural-history study of a common colubrid snake based on fieldwork and specimen analysis. It details external morphology and internal anatomy including scalation, dentition, and hemipenial structure, documents geographic variation and range, and describes habitat use, thermal relationships, home-range behavior and movement patterns. Feeding ecology is treated in depth, covering prey types and capture methods, and reproduction is described from courtship to eggs, hatching, and growth. The account examines mortality sources, defensive adaptations, parasites and disease, population composition and numbers, and concludes with methods, summary data, and references.