BirdAnalyst
BBS Route · Montana · BCR 11

Sun River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 80 species recorded across 8 survey years, still active.

80Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2024Span
1Observers

Bird Species Found on Montana Sun River

Top 40 of 80 species by most recent count. Each links to its species trend.

Species recorded on the Sun River route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Franklin's GullLaridae1022024-15%2019
Red-winged BlackbirdIcteridae632024+3%2017
Ring-billed GullLaridae562024-95%2017
Western MeadowlarkIcteridae542024-29%2017
Horned LarkAlaudidae502024-17%2017
House SparrowPasseridae392024-4%2017
Cliff SwallowHirundinidae312024-59%2017
Vesper SparrowPasserellidae292024+76%2017
Ring-necked PheasantPhasianidae282024-39%2017
Brewer's BlackbirdIcteridae282024+166%2017
American RobinTurdidae252024-24%2017
European StarlingSturnidae182023-53%2018
Common GrackleIcteridae152019+50%2016
Yellow WarblerParulidae102024-50%2017
Green-winged TealAnatidae92024n/an/a
Mourning DoveColumbidae82024-4%2017
Savannah SparrowPasserellidae82024+8%2017
Wilson's SnipeScolopacidae72024+8%2017
KilldeerCharadriidae72024-17%2017
Western Wood-PeweeTyrannidae72024+11%2018
Brown-headed CowbirdIcteridae72024-62%2017
Rock PigeonColumbidae62022+60%2016
GadwallAnatidae62023+200%2017
Grasshopper SparrowPasserellidae52024+14%2018
Tree SwallowHirundinidae52018+400%2015
Common RavenCorvidae52024+0%2018
Lesser ScaupAnatidae52019n/an/a
Sharp-tailed GrousePhasianidae52024n/an/a
Lark BuntingPasserellidae42015n/an/a
American WigeonAnatidae42019n/an/a
Song SparrowPasserellidae42023n/an/a
Long-billed CurlewScolopacidae32023+340%2018
Eastern KingbirdTyrannidae32024-21%2017
Bullock's OrioleIcteridae32018+0%2015
Common YellowthroatParulidae32024+71%2017
Eurasian Collared-DoveColumbidae32023-53%2017
American White PelicanPelecanidae32017n/an/a
Canada GooseAnatidae32017n/an/a
Thick-billed LongspurCalcariidae32017n/an/a
Northern PintailAnatidae32019n/an/a

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.