Figure 1
From: Spot the match – wildlife photo-identification using information theory
Example species with sufficient spot patterning that could be useful for automated photo-identification. Shown are (a) whale shark (Rhincodon typus – Photo © G. Taylor) indicating the reference area defined as the area encompassed by the reference points (yellow circles); (b) spotted tree frog (Hyla leucophyllata – Photo © D. Bickford); (c) northern quoll, (Dasyurus hallucatus – Photo © J. Kirwan); (d) Amazon spotted frog (Hyla punctata – Photo © D. Bickford); (e) striped blue crow (Euploea mulciber – Photo © D. Lohman); and (f) mangrove snake (Boiga dendrophilia – Photo © D. Bickford).