BirdAnalyst
BBS Route · North Dakota · BCR 11

Turtle Mtns Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 149 species recorded across 40 survey years, still active.

149Species 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1980–2024Span
4Observers

Bird Species Found on North Dakota Turtle Mtns

Top 40 of 149 species by most recent count. Each links to its species trend.

Species recorded on the Turtle Mtns 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
Red-winged BlackbirdIcteridae1362024+121%1983
Yellow WarblerParulidae1222024+104%1983
Canada GooseAnatidae93202415×1995
Song SparrowPasserellidae622024+181%1983
Red-eyed VireoVireonidae592024+298%1983
Least FlycatcherTyrannidae582024+106%1983
Clay-colored SparrowPasserellidae582024+85%1983
American RobinTurdidae432024-9%1983
Common YellowthroatParulidae382024+332%1983
American CrowCorvidae362024+4%1983
BobolinkIcteridae312024+330%1983
Northern WaterthrushParulidae312024+517%1991
Warbling VireoVireonidae292024+33%1985
Northern House WrenTroglodytidae292024+35%1983
Double-crested CormorantPhalacrocoracidae262024-19%1983
Chipping SparrowPasserellidae252024+667%1983
Red-necked GrebePodicipedidae24202415×1986
Cliff SwallowHirundinidae232024+22%1987
Mourning DoveColumbidae222024-58%1983
Purple MartinHirundinidae192024+393%1983
Cedar WaxwingBombycillidae182024+70%1983
Gray CatbirdMimidae152024+31%1983
Brown-headed CowbirdIcteridae132024-28%1983
American GoldfinchFringillidae132024-13%1983
Vesper SparrowPasserellidae132024-36%1983
Barn SwallowHirundinidae132024-67%1983
Brewer's BlackbirdIcteridae132024+75%1986
Wilson's SnipeScolopacidae112024+28%1983
Common GrackleIcteridae112024+96%1983
American RedstartParulidae92024+115%1986
Ring-necked DuckAnatidae8202412×1985
Savannah SparrowPasserellidae82024+89%1983
House SparrowPasseridae82024+22%1983
VeeryTurdidae82024+131%1983
Marsh WrenTroglodytidae82024+314%1986
Eastern KingbirdTyrannidae72024+33%1983
Black-billed MagpieCorvidae72024+4%1983
Baltimore OrioleIcteridae72024-51%1983
Yellow-throated VireoVireonidae72024+100%1983
Black TernLaridae62024-71%1983

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