BirdAnalyst
BBS Route · Montana · BCR 11

Lambert Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 4 survey years, still active.

68Species 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 →
4Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2021–2024Span
1Observers

Bird Species Found on Montana Lambert

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Lambert 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 MeadowlarkIcteridae1452024+18%2022
Brewer's BlackbirdIcteridae1002024-10%2022
Horned LarkAlaudidae772024-28%2022
European StarlingSturnidae542024-13%2022
Mourning DoveColumbidae512024-17%2022
Red-winged BlackbirdIcteridae482024-19%2022
BobolinkIcteridae432024+37%2022
Grasshopper SparrowPasserellidae332024-16%2022
Brown-headed CowbirdIcteridae322024-44%2022
Common GrackleIcteridae322024+93%2022
Ring-necked PheasantPhasianidae312024+81%2022
Vesper SparrowPasserellidae262024+68%2022
Savannah SparrowPasserellidae232024+46%2022
Eastern KingbirdTyrannidae212024-22%2022
Western KingbirdTyrannidae182024-36%2022
Rock PigeonColumbidae152024+213%2022
Chestnut-collared LongspurCalcariidae132024-66%2022
Upland SandpiperScolopacidae102024+5%2022
Loggerhead ShrikeLaniidae92024-22%2022
Northern HarrierAccipitridae72024+44%2022
Brown ThrasherMimidae72024+175%2022
American RobinTurdidae72024-21%2022
Wilson's SnipeScolopacidae62024+125%2022
Barn SwallowHirundinidae62024-48%2022
House SparrowPasseridae62024+500%2022
Gray PartridgePhasianidae42024+33%2021
Sharp-tailed GrousePhasianidae42024+33%2022
Clay-colored SparrowPasserellidae42024+40%2022
Lark BuntingPasserellidae42024-18%2022
Bank SwallowHirundinidae42022+33%2021
Wilson's PhalaropeScolopacidae42023+300%2022
Marbled GodwitScolopacidae42023+300%2022
American KestrelFalconidae32024+0%2022
Western Wood-PeweeTyrannidae32024+200%2022
Baird's SparrowPasserellidae32022n/an/a
KilldeerCharadriidae22024+0%2022
Red-tailed HawkAccipitridae22024+100%2021
Say's PhoebeTyrannidae22023+0%2021
Least FlycatcherTyrannidae22022+100%2021
Baltimore OrioleIcteridae22024+0%2021

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