BirdAnalyst
BBS Route · Massachusetts · BCR 30

Holden Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 117 species recorded across 45 survey years, still active.

117Species 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 →
45Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2025Span
6Observers

Bird Species Found on Massachusetts Holden

Top 40 of 117 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
Canada GooseAnatidae602025+624%1992
American RobinTurdidae422025-16%1979
Gray CatbirdMimidae352025+69%1979
Chipping SparrowPasserellidae342025+278%1979
Northern CardinalCardinalidae272025+500%1979
Song SparrowPasserellidae252025-20%1979
Mourning DoveColumbidae212025+36%1979
Tufted TitmouseParidae192025+161%1979
Red-winged BlackbirdIcteridae172025-15%1979
Cedar WaxwingBombycillidae152025+275%1979
Black-capped ChickadeeParidae152025+49%1979
American CrowCorvidae142025-31%1979
Northern House WrenTroglodytidae142025+42%1979
European StarlingSturnidae132025-65%1979
Downy WoodpeckerPicidae122025+300%1979
Eastern PhoebeTyrannidae122025+106%1979
American GoldfinchFringillidae122025+210%1979
House SparrowPasseridae112025-21%1979
Pine WarblerParulidae112025+800%1980
Common GrackleIcteridae102025-47%1979
OvenbirdParulidae92025-27%1979
Blue JayCorvidae82025-73%1979
Red-eyed VireoVireonidae72025-49%1979
White-breasted NuthatchSittidae72025+209%1980
Wild TurkeyPhasianidae72025+100%2013
Chimney SwiftApodidae62025+108%1979
House FinchFringillidae62025+100%1982
Common YellowthroatParulidae52025-71%1979
Eastern Wood-PeweeTyrannidae42025+9%1979
Eastern TowheePasserellidae42025-80%1979
Barn SwallowHirundinidae42024-19%1979
KilldeerCharadriidae42021+133%1992
Red-bellied WoodpeckerPicidae42025+217%2000
Fish CrowCorvidae42025+300%2022
Brown-headed CowbirdIcteridae32025-46%1979
Purple FinchFringillidae32024-29%1980
Yellow WarblerParulidae32025+67%1979
Chestnut-sided WarblerParulidae32025-64%1979
American RedstartParulidae32025+200%1979
Bank SwallowHirundinidae32005+113%1981

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