BirdAnalyst
BBS Route · Massachusetts · BCR 30

Cape Cod Ns Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 11 survey years, no longer active.

82Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2007Span
2Observers

Bird Species Found on Massachusetts Cape Cod Ns

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the Cape Cod Ns 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
Black-capped ChickadeeParidae402007-15%1991
American RobinTurdidae372007+31%1991
Northern CardinalCardinalidae362007+103%1991
American CrowCorvidae342007-12%1991
American GoldfinchFringillidae282007+122%1991
Pine WarblerParulidae242007-24%1991
Chipping SparrowPasserellidae232007+37%1991
Common GrackleIcteridae222007-49%1991
Eastern TowheePasserellidae212007-22%1991
Cedar WaxwingBombycillidae182007+91%1991
Common YellowthroatParulidae142007-34%1991
Gray CatbirdMimidae122007-16%1991
House FinchFringillidae102007-67%1991
Tufted TitmouseParidae92007+36%1991
Herring GullLaridae72007-50%1992
Eastern Wood-PeweeTyrannidae62007-16%1991
Blue JayCorvidae62007-61%1991
Song SparrowPasserellidae62007+29%1991
Brown-headed CowbirdIcteridae52007+44%1991
Double-crested CormorantPhalacrocoracidae51996+150%1992
Northern BobwhiteOdontophoridae41999-71%1991
Great Crested FlycatcherTyrannidae42007-7%1991
Baltimore OrioleIcteridae42007-71%1991
OvenbirdParulidae42007-30%1991
House SparrowPasseridae42007-50%1991
Wild TurkeyPhasianidae42007n/an/a
Laughing GullLaridae31997-29%1990
Mourning DoveColumbidae32007-44%1991
Downy WoodpeckerPicidae31999-13%1991
Tree SwallowHirundinidae31999-14%1992
Black-and-white WarblerParulidae31996+50%1989
Northern MockingbirdMimidae31999+18%1991
Great Black-backed GullLaridae22007+250%1992
Eastern KingbirdTyrannidae22007-23%1991
Red-winged BlackbirdIcteridae22007-32%1991
Field SparrowPasserellidae22007-17%1991
Yellow WarblerParulidae22007+60%1992
Prairie WarblerParulidae22007-58%1991
Bank SwallowHirundinidae21999+40%1995
Red-breasted NuthatchSittidae21993n/an/a

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