BirdAnalyst
BBS Route · Minnesota · BCR 11

Glyndon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 131 species recorded across 39 survey years, still active.

131Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1978–2025Span
5Observers

Bird Species Found on Minnesota Glyndon

Top 40 of 131 species by most recent count. Each links to its species trend.

Species recorded on the Glyndon 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 BlackbirdIcteridae1472025+1%1980
MallardAnatidae622025+39%1980
Common YellowthroatParulidae492025+66%1980
Cliff SwallowHirundinidae392025+70%1980
Brown-headed CowbirdIcteridae312025-24%1980
KilldeerCharadriidae272025-47%1980
Mourning DoveColumbidae252025-61%1980
Horned LarkAlaudidae242025+26%1980
Common GrackleIcteridae232025-17%1980
Vesper SparrowPasserellidae222025-21%1980
Song SparrowPasserellidae222025+215%1980
American RobinTurdidae202025+127%1980
BobolinkIcteridae182025-36%1980
Yellow WarblerParulidae18202514×1982
Northern House WrenTroglodytidae182025+430%1980
Brewer's BlackbirdIcteridae162025-46%1980
American CrowCorvidae132025+78%1980
American GoldfinchFringillidae132025+162%1980
Barn SwallowHirundinidae122025-80%1980
Bank SwallowHirundinidae112025+229%1983
Gray CatbirdMimidae102025+625%1981
Marsh WrenTroglodytidae102025+92%1983
American White PelicanPelecanidae102025-23%2006
Yellow-headed BlackbirdIcteridae92025-57%1980
Clay-colored SparrowPasserellidae82025+53%1980
Lesser ScaupAnatidae81997n/an/a
Ring-billed GullLaridae72004-91%1979
Willow FlycatcherTyrannidae72025+367%1992
Rose-breasted GrosbeakCardinalidae72025+175%1993
Double-crested CormorantPhalacrocoracidae62025-9%1983
DickcisselCardinalidae62024+58%1983
Blue JayCorvidae62025-14%1988
Swamp SparrowPasserellidae62025+280%1992
American WigeonAnatidae51979-50%1978
Ring-necked PheasantPhasianidae52025+58%1992
Orchard OrioleIcteridae52024+29%1991
RedheadAnatidae42013-50%1991
Great Crested FlycatcherTyrannidae42025+120%1992
European StarlingSturnidae42024-77%1981
House SparrowPasseridae42025-42%1980

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.