BirdAnalyst
BBS Route · Montana · BCR 10

East Glacier Park Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 10 survey years, still active.

110Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2015–2025Span
1Observers

Bird Species Found on Montana East Glacier Park

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the East Glacier Park 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
American RobinTurdidae352025-27%2017
Brewer's BlackbirdIcteridae272025+14%2017
Yellow WarblerParulidae242025+2%2017
Swainson's ThrushTurdidae242025+15%2017
White-crowned SparrowPasserellidae232025-17%2017
Vesper SparrowPasserellidae222025+0%2017
Red-winged BlackbirdIcteridae212025+51%2017
Black-billed MagpieCorvidae202025-65%2017
Cliff SwallowHirundinidae202025-6%2017
VeeryTurdidae162025+25%2017
Pine SiskinFringillidae152024+120%2017
Warbling VireoVireonidae132025-6%2017
MacGillivray's WarblerParulidae132025+33%2017
Common YellowthroatParulidae122025+271%2017
Common NighthawkCaprimulgidae122025+33%2018
American CrowCorvidae112025-34%2017
Western Wood-PeweeTyrannidae102025+6%2017
Common RavenCorvidae102025+47%2017
Lazuli BuntingCardinalidae102025+92%2017
Northern WaterthrushParulidae102025+23%2017
Wilson's SnipeScolopacidae92025+27%2017
Western TanagerCardinalidae92025+180%2017
American GoldfinchFringillidae82025+31%2017
Cedar WaxwingBombycillidae82025+255%2017
Northern House WrenTroglodytidae82025-61%2017
European StarlingSturnidae72025-15%2017
Ruby-crowned KingletRegulidae72025-15%2017
MallardAnatidae62024+64%2017
Red-naped SapsuckerPicidae62025+15%2017
Mountain BluebirdTurdidae62024+11%2017
Willow FlycatcherTyrannidae62025+44%2018
American White PelicanPelecanidae62025-14%2019
Western MeadowlarkIcteridae52025+0%2017
Mourning DoveColumbidae52025+44%2019
Eastern KingbirdTyrannidae42025+150%2017
Chipping SparrowPasserellidae42025+5%2017
Tree SwallowHirundinidae42024+55%2017
Common MerganserAnatidae42025-17%2022
Lesser ScaupAnatidae42019-64%2017
Blue-winged TealAnatidae42021+300%2019

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