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. 2007 Jan 16;4:2. doi: 10.1186/1742-9994-4-2

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Copyright © 2007 Speed et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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).