author keywords: camera trap; Mustela; Neogale; non-invasive monitoring
TL;DR:
A literature review and the first ever International Weasel Monitoring Symposium were conducted to synthesise information on historical and current non‐invasive monitoring techniques for weasels, finding that the most promising non‐invasive monitoring techniques available include use of citizen scientist reporting, detection dogs, detecting tracks, non‐invasive genetic surveys, and enclosed or unenclosed camera trap systems.
(via Semantic Scholar)