BBS Route · Montana · BCR 17
Custer 2 Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 57 species recorded across 2 survey years, still active.
2024–2025Span
1Observers
Bird Species Found on Montana Custer 2
Top 40 of 57 species by most recent count. Each links to its species trend.
Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.