Elephant DNA forensics links field biology with wildlife-crime investigation. The basic idea is straightforward: build a geographic reference map from DNA collected from known elephant populations, then compare DNA recovered from seized ivory against that map.
Why dung is so useful
Researchers do not need to capture an elephant to collect reference DNA. Dung can provide genetic material while allowing scientists to sample free-ranging animals non-invasively. When samples are carefully geolocated, they can help characterise the genetic patterns of elephant populations across large landscapes.
From reference map to ivory seizure
DNA extracted from ivory can be compared with the reference dataset. Statistical methods can then estimate the most likely geographic origin of the tusks. Repeated seizures pointing back to the same regions can help identify persistent poaching pressure and inform enforcement priorities.
Why the DRC mattered to the original project
The 2011 Elephant Ivory Project focused on collecting samples from under-represented areas in the Democratic Republic of the Congo. Filling geographic gaps improves the usefulness of a reference map, particularly when neighbouring populations share related genetic patterns.
Continue with Elephant Dung DNA or How Scientists Trace Illegal Ivory.