What is genetic tagging

Genetic tagging, or the identification and tracking of individual animals using DNA, is a non-invasive method of conducting research that uses samples from shed hair, feathers, feces, or saliva. ... Genetic tagging approaches are complementary to traditional approaches and add a powerful tool to the ecologists' toolkit.

Explanation:

Genetic tagging or the identification an tracking of individual animals using DNA is non invasive method of conducting research that uses samples from shed hair , frces or saliva