BirdAnalyst
BBS Route · Montana · BCR 11

Lambert Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 5 survey years, still active.

79Species 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 →
5Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2021–2025Span
1Observers

Bird Species Found on Montana Lambert

Top 40 of 79 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 MeadowlarkIcteridae1342025+17%2022
Horned LarkAlaudidae1242025-20%2022
Red-winged BlackbirdIcteridae822025+0%2022
Mourning DoveColumbidae742025-10%2022
Brown-headed CowbirdIcteridae712025-15%2022
Ring-necked PheasantPhasianidae602025+146%2022
BobolinkIcteridae542025+31%2022
Common GrackleIcteridae522025+180%2022
Canada GooseAnatidae452025+327%2023
Eastern KingbirdTyrannidae392025+33%2022
Grasshopper SparrowPasserellidae372025-13%2022
Lark BuntingPasserellidae362025+264%2022
Brewer's BlackbirdIcteridae222025-30%2022
Western KingbirdTyrannidae202025-3%2022
Gray PartridgePhasianidae172025+250%2022
Rock PigeonColumbidae152024+213%2022
Vesper SparrowPasserellidae132025+105%2022
American RobinTurdidae112025-25%2022
Savannah SparrowPasserellidae102025+38%2022
Upland SandpiperScolopacidae82025-10%2022
Brown ThrasherMimidae82025+275%2022
MallardAnatidae82025+200%2023
Chestnut-collared LongspurCalcariidae72025-69%2022
Blue-winged TealAnatidae72025n/an/a
Wilson's SnipeScolopacidae62025+200%2022
European StarlingSturnidae62025-28%2022
Barn SwallowHirundinidae62025-48%2022
Bank SwallowHirundinidae42022+33%2021
Marbled GodwitScolopacidae42023+300%2022
KilldeerCharadriidae32025+25%2022
Northern HarrierAccipitridae32025+11%2022
Say's PhoebeTyrannidae32025+25%2022
Clay-colored SparrowPasserellidae32025+40%2022
Yellow WarblerParulidae32025+0%2022
Common YellowthroatParulidae32025+33%2022
Baird's SparrowPasserellidae32022n/an/a
House SparrowPasseridae32025+29%2023
Long-billed CurlewScolopacidae32025+50%2023
Swainson's HawkAccipitridae22025-40%2022
Orchard OrioleIcteridae22025+50%2022

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