BirdAnalyst
BBS Route · North Dakota · BCR 11

Niles Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 118 species recorded across 27 survey years, still active.

118Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2024Span
4Observers

Bird Species Found on North Dakota Niles

Top 40 of 118 species by most recent count. Each links to its species trend.

Species recorded on the Niles 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 BlackbirdIcteridae2172024-32%1993
Canada GooseAnatidae1342024+536%1996
Common GrackleIcteridae1202024-5%1993
MallardAnatidae922024+7%1993
RedheadAnatidae782024+781%1994
Ring-billed GullLaridae68202441×1993
Blue-winged TealAnatidae622024+164%1993
Yellow-headed BlackbirdIcteridae562024-75%1993
Franklin's GullLaridae532024-86%1993
GadwallAnatidae512024+78%1993
Mourning DoveColumbidae482024-66%1993
Brown-headed CowbirdIcteridae412024-77%1993
Northern ShovelerAnatidae302024+357%1993
Cliff SwallowHirundinidae302024-32%1993
Black TernLaridae142024-48%1993
Song SparrowPasserellidae142024-23%1993
Barn SwallowHirundinidae142024-72%1993
Marsh WrenTroglodytidae142023+170%1993
American RobinTurdidae142024-33%1993
KilldeerCharadriidae132024-53%1993
Yellow WarblerParulidae132024+164%1993
Northern PintailAnatidae122024-48%1993
Wilson's SnipeScolopacidae112024+700%1996
American CootRallidae102024-8%1993
Ring-necked PheasantPhasianidae92024+300%1993
Western MeadowlarkIcteridae92024-95%1993
Clay-colored SparrowPasserellidae92024+95%1993
CanvasbackAnatidae92024-61%1996
Ruddy DuckAnatidae82024+200%1994
Sedge WrenTroglodytidae82024+47%1995
Bank SwallowHirundinidae82015+228%1997
Eastern KingbirdTyrannidae72024-89%1993
Horned LarkAlaudidae72024-96%1993
Common YellowthroatParulidae62024-70%1993
Cedar WaxwingBombycillidae62018-65%1997
WilletScolopacidae52024-35%1993
BobolinkIcteridae52024-75%1993
Savannah SparrowPasserellidae52023-76%1993
Purple MartinHirundinidae52021+150%2000
Red-tailed HawkAccipitridae42024+120%1993

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