BirdAnalyst
BBS Route · Massachusetts · BCR 30

Wellfleet 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 8 survey years, still active.

83Species 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 →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2016–2025Span
1Observers

Bird Species Found on Massachusetts Wellfleet 2

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Wellfleet 2 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
Gray CatbirdMimidae722025+45%2018
Song SparrowPasserellidae612025+10%2018
Pine WarblerParulidae592025-30%2018
American GoldfinchFringillidae442025-14%2018
Northern CardinalCardinalidae422025-20%2018
Chipping SparrowPasserellidae412025-4%2018
American CrowCorvidae342025-21%2018
Black-capped ChickadeeParidae342025-32%2018
American RobinTurdidae342025-12%2018
OvenbirdParulidae332025-9%2018
Blue JayCorvidae322025+32%2018
Tufted TitmouseParidae282025-34%2018
Canada GooseAnatidae252025+73%2018
Common GrackleIcteridae252025-26%2018
Red-winged BlackbirdIcteridae232025-17%2018
Yellow WarblerParulidae192025+39%2018
Mourning DoveColumbidae162025-11%2018
Cedar WaxwingBombycillidae162025-27%2018
Carolina WrenTroglodytidae152025+73%2018
Baltimore OrioleIcteridae142025+28%2018
Common YellowthroatParulidae132025-15%2018
Brown-headed CowbirdIcteridae112025-7%2018
Eastern TowheePasserellidae102025-25%2018
House SparrowPasseridae102025-60%2018
Red-bellied WoodpeckerPicidae92025-20%2018
Least TernLaridae82023n/an/a
WilletScolopacidae72025+39%2018
House FinchFringillidae72025-46%2018
Red-breasted NuthatchSittidae72025-53%2018
Great Crested FlycatcherTyrannidae62025-44%2018
Herring GullLaridae52021+67%2016
Red-eyed VireoVireonidae52025+38%2018
Northern House WrenTroglodytidae52025+0%2018
Laughing GullLaridae42023+100%2016
Yellow-billed CuckooCuculidae42017-56%2016
White-breasted NuthatchSittidae42025-30%2018
Prairie WarblerParulidae42024+300%2021
Wild TurkeyPhasianidae32025-27%2019
OspreyPandionidae32025+171%2018
Black-billed CuckooCuculidae32017+50%2016

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