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Ontogenetic dependence of Nile crocodile (Crocodylus niloticus) isotope diet-to-tissue discrimination factors
Rapid Communications in Mass Spectrometry  (IF2.419),  Pub Date : 2021-07-05, DOI: 10.1002/rcm.9159
Stephan Woodborne, Hannes Botha, David Huchzermeyer, Jan Myburgh, Grant Hall, Albert Myburgh

The diet of wild Nile crocodiles (Crocodylus niloticus) is difficult to assess because they are cryptic and nocturnal predators that are extremely sensitive to disturbance by observers, and stomach content analysis is challenging, especially in large specimens. Stable light isotope analysis provides a means of assessing their diet, but diet-to-tissue discrimination factors have yet to be established for the species.