BirdAnalyst
BBS Route · Massachusetts · BCR 30

Ware River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 29 survey years, still active.

104Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2022Span
2Observers

Bird Species Found on Massachusetts Ware River

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Ware River 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
OvenbirdParulidae822022+104%1995
Red-eyed VireoVireonidae542022+32%1995
VeeryTurdidae262022-2%1995
Pine WarblerParulidae23202213×1995
Blue JayCorvidae222022-9%1995
Common YellowthroatParulidae192022+2%1995
American RobinTurdidae182022-43%1995
Gray CatbirdMimidae152022+74%1995
Chestnut-sided WarblerParulidae142022-42%1995
Hermit ThrushTurdidae142022+200%1995
Tufted TitmouseParidae132022+114%1995
Black-capped ChickadeeParidae122022+21%1995
Brown-headed CowbirdIcteridae112022-6%1995
Scarlet TanagerCardinalidae102022+16%1995
Mourning DoveColumbidae92022+3%1995
Eastern Wood-PeweeTyrannidae92022+53%1995
Common GrackleIcteridae92022+167%1995
Eastern TowheePasserellidae92022+28%1995
Chipping SparrowPasserellidae82022+28%1995
Song SparrowPasserellidae82022+50%1995
Red-breasted NuthatchSittidae82022-44%1995
Black-and-white WarblerParulidae62022+41%1995
Yellow-bellied SapsuckerPicidae62022+267%2011
Eastern PhoebeTyrannidae52022+29%1995
American GoldfinchFringillidae52022-47%1995
Tree SwallowHirundinidae52022-23%1995
Bank SwallowHirundinidae51999+150%1993
Black-throated Green WarblerParulidae52022-48%1995
White-breasted NuthatchSittidae52022+33%1995
Broad-winged HawkAccipitridae42022+167%1997
Downy WoodpeckerPicidae42022+25%1995
Least FlycatcherTyrannidae42022-50%1995
Red-winged BlackbirdIcteridae42022-63%1995
Baltimore OrioleIcteridae42022-61%1995
Northern CardinalCardinalidae42022+114%1999
Barn SwallowHirundinidae42022+70%1996
Prairie WarblerParulidae42022+200%1997
Rock PigeonColumbidae42013+300%1997
Hairy WoodpeckerPicidae32021-33%1995
Great Crested FlycatcherTyrannidae32022+167%1996

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