1. Andrzejaczek S, Meeuwig J, Rowat D, Pierce S, Davies T, Fisher R, Meekan M (2016) The ecological connectivity of whale shark aggregations in the Indian Ocean: a photo-identification approach. Royal Soc Open Sci. https://doi.org/10.1098/rsos.160455
2. Arso Civil M, Smout S, Onoufriou J, Thompson D, Brownlow A, Davison N, Cummings C, Pomeroy P, McConnell B, Hall A (2016) Harbour Seal Decline - vital rates and drivers (Report to Scottish Government HSD2). Retrieved /from Sea Mammal Research Unit, University of St Andrews: http://www.smru.st-andrews.ac.uk/files/2016/10/HSD-2-annual-report-year-1.pdf. Accessed 05 Oct 2020.
3. Arzoumanian Z, Holmberg J, Norman B (2005) An astronomical pattern-matching algorithm for computer-aided identification of whale sharks Rhincodon typus. J Appl Ecol 42(6):999–1011. https://doi.org/10.1111/j.1365-2664.2005.01117.x
4. Bardier Suárez CI, Pereira G, Elgue E, Maneyro R, Toledo LF (2017) Quantitative determination of the minimumbody size for photo-identification of Melanophryniscus montevidensis (Bufonidae). Herpetol Conserv Biol 2(1):119–126
5. Bay H, Ess A, Tuytelaars T, Van Gool L (2008) Speeded-up robust features (SURF). Comput vis Image Underst 110(3):346–359. https://doi.org/10.1016/j.cviu.2007.09.014