Size Duel deck / Animals
Brown rat
Mass: adult
about 400 g (14.1 oz)
Range used for fair duels: 140 g to 540 g.
The common rat of cities and farms worldwide.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source, in their original language.
“400 g”University of Michigan Animal Diversity Web: source, retrieved 2026-10-21; quote re-found by the server check
“200 og 500 gram”Lille norske leksikon (in Norwegian): source, retrieved 2026-10-21; quote re-found by the server check“vekt 540 gram”Store norske leksikon (in Norwegian): source, retrieved 2026-10-21; quote re-found by the server checkSpotted a mistake? Tell us; a correction gets a new revision.