BirdAnalyst
BBS Route · Massachusetts · BCR 30

Holden Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 44 survey years, still active.

116Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2024Span
6Observers

Bird Species Found on Massachusetts Holden

Top 40 of 116 species by most recent count. Each links to its species trend.

Species recorded on the Holden 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 RobinTurdidae762024-12%1979
Canada GooseAnatidae472024+318%1992
Gray CatbirdMimidae352024+51%1979
Chipping SparrowPasserellidae262024+252%1979
American GoldfinchFringillidae252024+215%1979
European StarlingSturnidae242024-48%1979
Red-eyed VireoVireonidae212024-42%1979
House SparrowPasseridae212024-16%1979
Black-capped ChickadeeParidae212024+65%1979
Song SparrowPasserellidae202024-28%1979
Tufted TitmouseParidae202024+161%1979
Northern CardinalCardinalidae182024+464%1979
Blue JayCorvidae172024-67%1979
Pine WarblerParulidae172024+675%1980
Mourning DoveColumbidae162024+49%1979
Northern House WrenTroglodytidae162024+53%1979
Downy WoodpeckerPicidae152024+283%1979
Chimney SwiftApodidae132024+83%1979
White-breasted NuthatchSittidae132024+173%1980
American CrowCorvidae122024-26%1979
Eastern PhoebeTyrannidae112024+117%1979
Common YellowthroatParulidae92024-64%1979
Common GrackleIcteridae82024-43%1979
Cedar WaxwingBombycillidae82024+150%1979
Carolina WrenTroglodytidae82024+275%2006
Red-winged BlackbirdIcteridae72024-22%1979
Yellow WarblerParulidae72024+122%1979
Red-bellied WoodpeckerPicidae72024+300%2000
House FinchFringillidae62024+120%1982
Savannah SparrowPasserellidae52024-22%1979
OvenbirdParulidae52024-27%1979
Barn SwallowHirundinidae42024-19%1979
VeeryTurdidae42024-50%1979
KilldeerCharadriidae42021+133%1992
Eastern Wood-PeweeTyrannidae32024+18%1979
Brown-headed CowbirdIcteridae32024-35%1979
Purple FinchFringillidae32024-29%1980
Eastern TowheePasserellidae32024-82%1979
Chestnut-sided WarblerParulidae32023-64%1979
American RedstartParulidae32023+200%1979

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