Permanent claim record · Isle Royale National Park

Isle Royale's wolf-moose study is the longest-running predator-prey study in the world, begun in 1958 by L. David Mech and running continuously for over 65 years.

Verified

Raw value (vault-stripped)

{"tags":["isle-royale","science","wolves"],"text":"Isle Royale's wolf-moose study is the longest-running predator-prey study in the world, begun in 1958 by L. David Mech and running continuously for over 65 years.","category":"record"}

Predicate	trivia.fact
Subject	Isle Royale National Park (venue)
As of
Status	Verified
Source	Famous Michiganders, Pop Culture & Trivia Report — Perplexity Deep Research (2026) (trust 6.5/10)
Reference	—
Document hash	pending evidence-pack link
Provenance chain
Claim ID	0e19d817-d72a-49b6-b1ed-9cd04d317241