BirdAnalyst
BBS Route · Montana · BCR 17

Brandenberg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 34 survey years, still active.

120Species 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 →
34Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
7Observers

Bird Species Found on Montana Brandenberg

Top 40 of 120 species by most recent count. Each links to its species trend.

Species recorded on the Brandenberg 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
Western MeadowlarkIcteridae2082025+42%1970
European StarlingSturnidae106202513×1970
Lark SparrowPasserellidae552025+26%1970
Mourning DoveColumbidae532025+109%1970
Red-winged BlackbirdIcteridae482025+56%1970
Western KingbirdTyrannidae412025+103%1970
Ring-necked PheasantPhasianidae382025-27%1970
Brown-headed CowbirdIcteridae362025+115%1971
Common GrackleIcteridae332025+667%1971
Eastern KingbirdTyrannidae272025+58%1970
Yellow WarblerParulidae272025+378%1970
American RobinTurdidae272025+149%1970
Cliff SwallowHirundinidae212025+243%1970
Black-billed MagpieCorvidae182025+4%1970
Barn SwallowHirundinidae162025+213%1973
Wild TurkeyPhasianidae15202515×1994
Red-headed WoodpeckerPicidae142025+129%1970
Bullock's OrioleIcteridae142025+136%1970
Northern House WrenTroglodytidae142025+75%1970
Northern ShovelerAnatidae142019+250%1971
Cassin's KingbirdTyrannidae132025+93%1981
Orchard OrioleIcteridae132025+143%2014
Grasshopper SparrowPasserellidae112025+150%1971
Brewer's BlackbirdIcteridae102025-26%1970
Field SparrowPasserellidae102025+200%1981
Western Wood-PeweeTyrannidae92025+70%1970
Say's PhoebeTyrannidae92025+300%1972
American CrowCorvidae82025+83%1970
Evening GrosbeakFringillidae81968n/an/a
Black-billed CuckooCuculidae81981+300%1976
GadwallAnatidae82007n/an/a
American KestrelFalconidae72025+78%1970
Tree SwallowHirundinidae72025-5%1972
Black-headed GrosbeakCardinalidae72025+138%1974
Great Blue HeronArdeidae62015+50%1980
Black-capped ChickadeeParidae62025+57%1973
Canada GooseAnatidae6201922×2013
American WigeonAnatidae62019n/an/a
American GoldfinchFringillidae52025+64%1970
Chipping SparrowPasserellidae52025-10%1970

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