BirdAnalyst
BBS Route · North Dakota · BCR 11

Horsehead Lk Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 137 species recorded across 38 survey years, still active.

137Species 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 →
38Years 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
3Observers

Bird Species Found on North Dakota Horsehead Lk

Top 40 of 137 species by most recent count. Each links to its species trend.

Species recorded on the Horsehead Lk 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 BlackbirdIcteridae8532024+366%1982
Yellow-headed BlackbirdIcteridae5272024+111%1982
Common GrackleIcteridae2432024+292%1982
Marsh WrenTroglodytidae216202442×1982
Brown-headed CowbirdIcteridae2092024+94%1982
Western MeadowlarkIcteridae1372024-33%1982
Ring-necked PheasantPhasianidae98202444×1989
Black TernLaridae852024+624%1983
Mourning DoveColumbidae702024-40%1982
Blue-winged TealAnatidae652024+500%1982
Double-crested CormorantPhalacrocoracidae632024+850%1989
Ring-billed GullLaridae62202423×1982
BobolinkIcteridae592024+113%1982
Franklin's GullLaridae552024+124%1991
BuffleheadAnatidae55202413×2001
MallardAnatidae522024+322%1982
RedheadAnatidae502024+327%1982
Western KingbirdTyrannidae442024-23%1982
Forster's TernLaridae44202428×1990
Common YellowthroatParulidae412024+385%1982
Vesper SparrowPasserellidae402024+102%1982
House SparrowPasseridae392024-35%1982
Eastern KingbirdTyrannidae382024+55%1982
Horned LarkAlaudidae372024-61%1982
Canada GooseAnatidae352024+34%1991
GadwallAnatidae332024+144%1982
Ruddy DuckAnatidae322024+569%1982
Savannah SparrowPasserellidae322024+24%1982
CanvasbackAnatidae312024+880%1983
Clay-colored SparrowPasserellidae292024+311%1982
Eared GrebePodicipedidae282024+470%1982
Northern ShovelerAnatidae272024+177%1982
Lesser ScaupAnatidae272024+279%1982
American CootRallidae252024+359%1983
Wilson's SnipeScolopacidae222024+411%1982
KilldeerCharadriidae222024+27%1982
Indigo BuntingCardinalidae221997n/an/a
Song SparrowPasserellidae20202412×1991
Yellow WarblerParulidae20202411×1989
SoraRallidae192024+15%1982

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