BirdAnalyst
BBS Route · Maine · BCR 14

Brownfield Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 49 species recorded across 1 survey years, no longer active.

49Species 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 →
1Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2009–2009Span
1Observers

Bird Species Found on Maine Brownfield

Top 40 of 49 species by most recent count. Each links to its species trend.

Species recorded on the Brownfield 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
American RobinTurdidae282009n/an/a
Black-capped ChickadeeParidae242009n/an/a
Red-eyed VireoVireonidae222009n/an/a
Chipping SparrowPasserellidae172009n/an/a
OvenbirdParulidae172009n/an/a
Blue JayCorvidae152009n/an/a
Barn SwallowHirundinidae152009n/an/a
Hermit ThrushTurdidae152009n/an/a
Eastern PhoebeTyrannidae112009n/an/a
American CrowCorvidae112009n/an/a
House SparrowPasseridae102009n/an/a
Mourning DoveColumbidae92009n/an/a
VeeryTurdidae92009n/an/a
Pine WarblerParulidae82009n/an/a
Red-winged BlackbirdIcteridae72009n/an/a
Black-throated Green WarblerParulidae62009n/an/a
Wild TurkeyPhasianidae52009n/an/a
Common GrackleIcteridae52009n/an/a
Song SparrowPasserellidae52009n/an/a
Eastern TowheePasserellidae52009n/an/a
Black-and-white WarblerParulidae52009n/an/a
Black-throated Blue WarblerParulidae52009n/an/a
Common YellowthroatParulidae52009n/an/a
American RedstartParulidae52009n/an/a
Chimney SwiftApodidae42009n/an/a
American GoldfinchFringillidae42009n/an/a
Chestnut-sided WarblerParulidae42009n/an/a
Gray CatbirdMimidae42009n/an/a
Great Crested FlycatcherTyrannidae32009n/an/a
Savannah SparrowPasserellidae32009n/an/a
White-throated SparrowPasserellidae32009n/an/a
Blackburnian WarblerParulidae32009n/an/a
Downy WoodpeckerPicidae22009n/an/a
European StarlingSturnidae22009n/an/a
House FinchFringillidae22009n/an/a
Northern ParulaParulidae22009n/an/a
Red-breasted NuthatchSittidae22009n/an/a
MallardAnatidae12009n/an/a
Eastern KingbirdTyrannidae12009n/an/a
Eastern Wood-PeweeTyrannidae12009n/an/a

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