Nature2008-2012Olympic Peninsula, Washington, USAmedium confidence

Fishers were reintroduced to Washington's Olympic Peninsula in 2008 after being extirpated from the peninsula for decades.

Notes on verification

Confirmed by multiple independent, authoritative sources (WDFW, NPS) with consistent details on timeline, numbers, and origin of reintroduced fishers. [tier=bronze indep_score=0.539 clusters=2 claim_tier=notable]

Sources