BirdAnalyst
BBS Route · Montana · BCR 17

Brandenberg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 33 survey years, still active.

119Species 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 →
33Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2019Span
6Observers

Bird Species Found on Montana Brandenberg

Top 40 of 119 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 MeadowlarkIcteridae3282019+45%1970
Vesper SparrowPasserellidae53201923×1971
European StarlingSturnidae392019+527%1970
Yellow WarblerParulidae352019+535%1970
Lark SparrowPasserellidae332019+13%1970
American RobinTurdidae312019+121%1970
Ring-necked PheasantPhasianidae282019-46%1970
Northern House WrenTroglodytidae272019+104%1970
Cliff SwallowHirundinidae252019+281%1970
Mourning DoveColumbidae242019+74%1970
Eastern KingbirdTyrannidae202019-12%1970
Brown-headed CowbirdIcteridae162019+94%1971
Field SparrowPasserellidae162019+236%1981
Red CrossbillFringillidae152019-49%1981
Western KingbirdTyrannidae142019+56%1970
Grasshopper SparrowPasserellidae142019+208%1971
Northern ShovelerAnatidae142019+250%1971
Brewer's SparrowPasserellidae132019+115%1971
Red-winged BlackbirdIcteridae122019-35%1970
Western Wood-PeweeTyrannidae102019+100%1970
Bullock's OrioleIcteridae102019+121%1970
Brewer's BlackbirdIcteridae92019-41%1970
Common NighthawkCaprimulgidae82015+78%1970
Evening GrosbeakFringillidae81968n/an/a
Black-billed CuckooCuculidae81981+300%1976
GadwallAnatidae82007n/an/a
American GoldfinchFringillidae72019+55%1970
Common GrackleIcteridae72019+233%1971
MallardAnatidae62014+8%1971
Great Blue HeronArdeidae62015+50%1980
Say's PhoebeTyrannidae62019+160%1972
Canada GooseAnatidae6201922×2013
Turkey VultureCathartidae62019+300%2013
American WigeonAnatidae62019n/an/a
Black-billed MagpieCorvidae52015-44%1970
Spotted TowheePasserellidae52019+344%1970
Lazuli BuntingCardinalidae52019+42%1970
Yellow-breasted ChatIcteriidae52019-35%1970
Tree SwallowHirundinidae52019-30%1972
Rock PigeonColumbidae52009+383%1997

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