BirdAnalyst
BBS Route · North Dakota · BCR 11

Abercrombie Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 41 survey years, no longer active.

98Species 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 →
41Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2012Span
5Observers

Bird Species Found on North Dakota Abercrombie

Top 40 of 98 species by most recent count. Each links to its species trend.

Species recorded on the Abercrombie 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 BlackbirdIcteridae1812012-32%1969
Cliff SwallowHirundinidae1472012+850%1990
Common GrackleIcteridae792012+600%1969
Rock PigeonColumbidae772012+777%1969
DickcisselCardinalidae502012-34%1969
Savannah SparrowPasserellidae482012+39%1969
American RobinTurdidae472012+131%1969
KilldeerCharadriidae432012+256%1969
Bank SwallowHirundinidae392012+350%1983
European StarlingSturnidae302012+286%1969
BobolinkIcteridae292012-8%1969
Vesper SparrowPasserellidae292012-45%1969
Northern House WrenTroglodytidae262012-18%1969
Mourning DoveColumbidae252012-52%1969
Brown-headed CowbirdIcteridae232012+63%1969
American GoldfinchFringillidae222012+144%1969
Barn SwallowHirundinidae222012+119%1970
American CrowCorvidae202012+18%1969
Chipping SparrowPasserellidae192012+557%1972
Canada GooseAnatidae182012+273%1988
House SparrowPasseridae162012-61%1969
Yellow WarblerParulidae152012+18%1969
Horned LarkAlaudidae142012+102%1969
Double-crested CormorantPhalacrocoracidae13200513×1982
Common YellowthroatParulidae112012-52%1969
Western MeadowlarkIcteridae92012-93%1969
Chimney SwiftApodidae82012+73%1969
Great Crested FlycatcherTyrannidae72012+57%1969
Wood DuckAnatidae72012+350%1985
Yellow-headed BlackbirdIcteridae72012+60%1980
Tree SwallowHirundinidae72012+500%1985
White-breasted NuthatchSittidae62012+125%1989
Purple MartinHirundinidae52012+0%1969
House FinchFringillidae52012-42%1998
MallardAnatidae42012+133%1976
Song SparrowPasserellidae42012+60%1969
Indigo BuntingCardinalidae42012+133%1976
Black-capped ChickadeeParidae42012+140%1979
Red-tailed HawkAccipitridae42012+100%1985
GadwallAnatidae42011+167%2005

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