BBS Route · North Dakota · BCR 11

Stanley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 129 species recorded across 54 survey years, still active.

Bird Species Found on North Dakota Stanley

Top 40 of 129 species by most recent count. Each links to its species trend.

Species recorded on the Stanley 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 BlackbirdIcteridae1002024-39%1969
Western MeadowlarkIcteridae732024-39%1969
Brown-headed CowbirdIcteridae542024+20%1969
Vesper SparrowPasserellidae542024-16%1969
Mourning DoveColumbidae482024+18%1969
Double-crested CormorantPhalacrocoracidae432024+264%1978
GadwallAnatidae412024+178%1971
MallardAnatidae362024+67%1969
Horned LarkAlaudidae292024-76%1969
Brewer's BlackbirdIcteridae292024+127%1973
Yellow-headed BlackbirdIcteridae28202428×1970
Ring-necked PheasantPhasianidae242024+707%1969
Canada GooseAnatidae232022-46%1996
American RobinTurdidae222024+933%1970
KilldeerCharadriidae202024+253%1969
Barn SwallowHirundinidae182024-45%1969
Northern House WrenTroglodytidae172024+825%1970
Eastern KingbirdTyrannidae152024-13%1969
BobolinkIcteridae152024-28%1969
Common GrackleIcteridae15202415×1972
White-faced IbisThreskiornithidae142024n/an/a
Clay-colored SparrowPasserellidae132024-48%1969
Yellow WarblerParulidae132024+59%1969
American GoldfinchFringillidae122024+74%1969
Cliff SwallowHirundinidae122024+336%1983
Ring-billed GullLaridae122024+157%1979
Upland SandpiperScolopacidae112024+156%1969
DickcisselCardinalidae92021+33%1981
Tree SwallowHirundinidae92024+88%1993
Northern PintailAnatidae82024-77%1970
Ruddy DuckAnatidae82013+67%2002
Western KingbirdTyrannidae72024+246%1969
American CrowCorvidae72024-11%1969
Grasshopper SparrowPasserellidae72024-77%1969
Lazuli BuntingCardinalidae72024-18%1969
Common YellowthroatParulidae72024-28%1969
Least FlycatcherTyrannidae72024+175%1971
Northern ShovelerAnatidae62022+167%1970
Black-billed MagpieCorvidae62021-65%1969
Gray CatbirdMimidae62023+11%1969

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