Dicephalic neonate found in a residential yard. GTS 861. VW ABC 015. Note several spinal kinks. Specimen survived several months, fed sporadically, died and was preserved.
See: Wallach, Van, and Gerard T. Salmon (2013) Axial Bifurcation and Duplication in Snakes. Part V. A Review of Nerodia sipedon Cases with a New Record from New York State, 102-106. In Bulletin of the Chicago Herpetological Society 48(8).