Appendix B. Two examples of using spot patterns to individually identify newts.
|FIG. B1. Despite changes in background coloration (Davis and Grayson 2007), the pattern of red spots is individual and unchanging. The migrant individual was captured attempting to migrate from an enclosure on 11 July. The resident individual was captured using an aquatic funnel trap on 14 September. Photos taken by K. Grayson.|
Davis, A. K., and K. L. Grayson. 2007. Improving natural history research with image analysis: the relationship between skin color, sex, size, and stage in adult red-spotted newts (Notophthalmus viridescens viridescens). Herpetological Conservation and Biology 2:65–70.