BirdAnalyst
BBS Route · Montana · BCR 17

Maynard Coulee Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 86 species recorded across 8 survey years, still active.

86Species 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 →
2017–2025Span
2Observers

Bird Species Found on Montana Maynard Coulee

Top 40 of 86 species by most recent count. Each links to its species trend.

Species recorded on the Maynard Coulee 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
Thick-billed LongspurCalcariidae1682025+229%2019
Western MeadowlarkIcteridae562025+103%2019
American RobinTurdidae522025-7%2019
Horned LarkAlaudidae482025+134%2019
Red CrossbillFringillidae312025-65%2019
Dusky FlycatcherTyrannidae302025+2%2019
Chipping SparrowPasserellidae262025+15%2019
Vesper SparrowPasserellidae222025-11%2019
Mountain ChickadeeParidae222025+22%2019
Ruby-crowned KingletRegulidae172025+17%2019
Brewer's BlackbirdIcteridae162025+227%2019
Tree SwallowHirundinidae132025+52%2019
White-crowned SparrowPasserellidae122025+64%2019
Western TanagerCardinalidae122025+110%2019
Red-breasted NuthatchSittidae122025+22%2019
Warbling VireoVireonidae112025-37%2019
Long-billed CurlewScolopacidae102025+125%2019
Northern House WrenTroglodytidae102025-24%2019
OvenbirdParulidae92025-18%2019
Mountain BluebirdTurdidae92025+25%2021
Western Wood-PeweeTyrannidae82025-10%2019
Clark's NutcrackerCorvidae82025-10%2019
Common RavenCorvidae72025-29%2019
Mourning DoveColumbidae62024+55%2019
Hermit ThrushTurdidae62025+0%2019
Pine SiskinFringillidae52025+100%2019
Savannah SparrowPasserellidae52025+156%2019
Swainson's ThrushTurdidae52025+41%2021
American GoldfinchFringillidae52023+0%2021
Violet-green SwallowHirundinidae52024+25%2021
European StarlingSturnidae42025-25%2021
Red-winged BlackbirdIcteridae32025+100%2019
Common GrackleIcteridae32024+25%2019
Grasshopper SparrowPasserellidae32023+200%2021
Common MerganserAnatidae32022n/an/a
KilldeerCharadriidae22022+100%2017
Red-naped SapsuckerPicidae22025+50%2021
Brown-headed CowbirdIcteridae22025+10%2019
Chestnut-collared LongspurCalcariidae22025+11%2021
Barn SwallowHirundinidae22025-56%2022

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.