BirdAnalyst
BBS Route · Minnesota · BCR 23

Chatfield Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 31 survey years, no longer active.

95Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1999Span
4Observers

Bird Species Found on Minnesota Chatfield

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the Chatfield 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 BlackbirdIcteridae771999+10%1969
House SparrowPasseridae681999-71%1969
American RobinTurdidae421999+6%1969
American CrowCorvidae381999+139%1969
Song SparrowPasserellidae311999+25%1969
European StarlingSturnidae281999-72%1969
Northern House WrenTroglodytidae211999+26%1969
Mourning DoveColumbidae141999-49%1969
Common GrackleIcteridae141999-81%1969
Common YellowthroatParulidae141999-36%1969
Northern Rough-winged SwallowHirundinidae141999+250%1970
Cliff SwallowHirundinidae121999+382%1983
KilldeerCharadriidae111999+48%1969
Rock PigeonColumbidae111999-61%1969
Northern CardinalCardinalidae91999+113%1969
Brown-headed CowbirdIcteridae81999-43%1969
Canada GooseAnatidae71995n/an/a
Blue JayCorvidae61999+22%1969
American GoldfinchFringillidae61999-68%1969
Indigo BuntingCardinalidae61999-50%1969
Gray CatbirdMimidae61999+127%1969
Baltimore OrioleIcteridae51999+133%1973
Vesper SparrowPasserellidae51999-90%1969
Bank SwallowHirundinidae51995+38%1982
Red-bellied WoodpeckerPicidae51999+57%1977
Great Crested FlycatcherTyrannidae41999+25%1970
Warbling VireoVireonidae41999+100%1969
Eastern BluebirdTurdidae41999+333%1969
Ring-necked PheasantPhasianidae31999-78%1969
Chipping SparrowPasserellidae31999-33%1969
Field SparrowPasserellidae31999-69%1969
Black-capped ChickadeeParidae31999-14%1976
Eastern MeadowlarkIcteridae31999-59%1973
Pileated WoodpeckerPicidae31996+133%1978
Red-tailed HawkAccipitridae21999+17%1974
Eastern Wood-PeweeTyrannidae21999+125%1969
BobolinkIcteridae21998-80%1969
Rose-breasted GrosbeakCardinalidae21999+10%1969
Loggerhead ShrikeLaniidae21969-71%1967
Great Blue HeronArdeidae21998+33%1980

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