BirdAnalyst
BBS Route · Minnesota · BCR 23

Chatfield 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 20 survey years, still active.

96Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2003–2024Span
2Observers

Bird Species Found on Minnesota Chatfield 2

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Chatfield 2 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 BlackbirdIcteridae1482024+34%2006
Cliff SwallowHirundinidae682024+110%2006
American CrowCorvidae452024+15%2006
Common GrackleIcteridae442024-19%2006
Song SparrowPasserellidae342024+14%2006
Ring-necked PheasantPhasianidae302024+44%2006
Brown-headed CowbirdIcteridae292024+102%2006
American GoldfinchFringillidae282024+4%2006
Common YellowthroatParulidae282024+69%2006
Northern House WrenTroglodytidae282024+100%2006
American RobinTurdidae282024-5%2006
Rose-breasted GrosbeakCardinalidae282024+342%2007
Northern CardinalCardinalidae272024+300%2006
Mourning DoveColumbidae262024+14%2006
House SparrowPasseridae262024+11%2006
Horned LarkAlaudidae232024+46%2007
Indigo BuntingCardinalidae232024+744%2006
Red-bellied WoodpeckerPicidae232024+95%2007
European StarlingSturnidae212024-65%2006
Blue JayCorvidae202024+34%2006
Canada GooseAnatidae182023+20%2017
Chipping SparrowPasserellidae172024+56%2006
KilldeerCharadriidae162024+53%2006
Gray CatbirdMimidae162024+167%2006
Eastern Wood-PeweeTyrannidae142024+200%2006
Barn SwallowHirundinidae142024-27%2006
Cedar WaxwingBombycillidae142024+33%2007
Eastern KingbirdTyrannidae112024+143%2006
Eastern MeadowlarkIcteridae112024+112%2006
Warbling VireoVireonidae112024+650%2006
Wild TurkeyPhasianidae112024+23%2007
Yellow WarblerParulidae102024+280%2006
Great Crested FlycatcherTyrannidae102024+100%2007
Savannah SparrowPasserellidae102024-19%2007
Tree SwallowHirundinidae102024-46%2008
BobolinkIcteridae92024+200%2006
Field SparrowPasserellidae92024+9%2006
Red-eyed VireoVireonidae92024+88%2007
DickcisselCardinalidae72024+76%2006
Rock PigeonColumbidae62024-35%2006

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