BBS Route · Minnesota · BCR 23

Chatfield 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 21 survey years, still active.

Bird Species Found on Minnesota Chatfield 2

Top 40 of 97 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 BlackbirdIcteridae1532025+28%2006
Canada GooseAnatidae682025+438%2019
American CrowCorvidae492025+19%2006
Common GrackleIcteridae472025-11%2006
American RobinTurdidae472025-1%2006
Mourning DoveColumbidae432025+44%2006
Ring-necked PheasantPhasianidae392025+131%2006
Brown-headed CowbirdIcteridae332025+104%2006
Song SparrowPasserellidae302025+8%2006
Cedar WaxwingBombycillidae302025+213%2007
Northern House WrenTroglodytidae302025+100%2006
European StarlingSturnidae282025-65%2006
House SparrowPasseridae272025+3%2006
Barn SwallowHirundinidae262025+0%2006
Common YellowthroatParulidae242025+83%2006
Northern CardinalCardinalidae222025+393%2006
Indigo BuntingCardinalidae222025+678%2006
Gray CatbirdMimidae212025+206%2006
Eastern Wood-PeweeTyrannidae192025+308%2006
Blue JayCorvidae182025+32%2006
American GoldfinchFringillidae172025-2%2006
KilldeerCharadriidae162025+53%2006
Horned LarkAlaudidae162025+49%2007
BobolinkIcteridae162025+240%2006
Rose-breasted GrosbeakCardinalidae162025+408%2007
Chipping SparrowPasserellidae152025+62%2006
Red-bellied WoodpeckerPicidae142025+135%2007
Eastern KingbirdTyrannidae112025+271%2006
Eastern MeadowlarkIcteridae112025+112%2006
Cliff SwallowHirundinidae112025+21%2006
Yellow WarblerParulidae112025+420%2006
Savannah SparrowPasserellidae112025-8%2007
Warbling VireoVireonidae102025+675%2006
Field SparrowPasserellidae92025+14%2006
Baltimore OrioleIcteridae82025+123%2006
Turkey VultureCathartidae72025-23%2007
Red-eyed VireoVireonidae72025+138%2007
Black-capped ChickadeeParidae72025+150%2007
Wild TurkeyPhasianidae62025+39%2007
Eastern BluebirdTurdidae62025+15%2008

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