BirdAnalyst
BBS Route · Minnesota · BCR 23

Osseo Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 125 species recorded across 53 survey years, still active.

125Species 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 →
53Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
7Observers

Bird Species Found on Minnesota Osseo

Top 40 of 125 species by most recent count. Each links to its species trend.

Species recorded on the Osseo 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 BlackbirdIcteridae1082025-48%1969
American RobinTurdidae402025+150%1969
American CrowCorvidae382025+203%1969
Brown-headed CowbirdIcteridae322025+30%1969
Common GrackleIcteridae312025-56%1969
Common YellowthroatParulidae312025+59%1969
Cliff SwallowHirundinidae292025+246%1969
Song SparrowPasserellidae232025+0%1969
Chipping SparrowPasserellidae182025+194%1969
Rock PigeonColumbidae152025-36%1969
Blue JayCorvidae152025+257%1970
Northern CardinalCardinalidae15202524×1976
Canada GooseAnatidae152025-82%1996
Baltimore OrioleIcteridae142021+100%1969
Mourning DoveColumbidae132025-62%1969
Ring-necked PheasantPhasianidae122025-25%1969
Indigo BuntingCardinalidae122025+133%1970
Great Crested FlycatcherTyrannidae102025+260%1969
American GoldfinchFringillidae102025+464%1969
Tree SwallowHirundinidae10202511×1970
Black-capped ChickadeeParidae9202515×1971
Northern House WrenTroglodytidae82025+82%1969
Brewer's BlackbirdIcteridae82017-42%1970
MallardAnatidae72025-48%1970
KilldeerCharadriidae72025-10%1969
Chimney SwiftApodidae72024+55%1969
Downy WoodpeckerPicidae72024+450%1973
Ring-billed GullLaridae62024+233%1981
House SparrowPasseridae52025-88%1969
Great EgretArdeidae52025-66%1986
American White PelicanPelecanidae52025-32%2013
Lesser ScaupAnatidae41967n/an/a
Bank SwallowHirundinidae41996-25%1969
House FinchFringillidae42025+7%1997
Trumpeter SwanAnatidae42025+14%2003
SoraRallidae32025-33%1971
Red-eyed VireoVireonidae32025+14%1969
White-breasted NuthatchSittidae32025+89%1976
Swamp SparrowPasserellidae32025+60%1970
Cedar WaxwingBombycillidae32025+88%1971

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