The Complete Guide to Pinesnakes, Bullsnakes and Gophersnakes: A Reference for Identification, Care and Breeding of Snakes in the Genus Pituophis. The CompletePituophis : A Reference Guide for the Identification, Care, and Breeding of Pinesnakes, Bullsnakes, and Gophersnakes, is an exceptional exploration of the natural history and captive husbandry of this fascinating group of new world colubrids.