BirdAnalyst
BBS Route · New Jersey · BCR 30

Spraguetown Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 14 survey years, no longer active.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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–1999Span
4Observers

Bird Species Found on New Jersey Spraguetown

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

Species recorded on the Spraguetown 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
Eastern TowheePasserellidae261999-86%1979
Herring GullLaridae171997+143%1993
American RobinTurdidae141999-43%1979
Pine WarblerParulidae91999-57%1979
Common YellowthroatParulidae91999-79%1979
Eastern Wood-PeweeTyrannidae81999-62%1979
Fish CrowCorvidae71990-28%1979
Northern MockingbirdMimidae71999+0%1979
Northern ParulaParulidae71999n/an/a
Barn SwallowHirundinidae61993+142%1980
House SparrowPasseridae61993+86%1979
Gray CatbirdMimidae61999-19%1979
Mourning DoveColumbidae51999-78%1979
Red-winged BlackbirdIcteridae51999-64%1979
OvenbirdParulidae51999-73%1979
Carolina ChickadeeParidae51997+7%1979
Green HeronArdeidae51983+400%1980
Black-crowned Night HeronArdeidae51997n/an/a
Purple MartinHirundinidae41984+0%1979
Cedar WaxwingBombycillidae41993+100%1980
Blue-gray GnatcatcherPolioptilidae41990+300%1981
American Black DuckAnatidae41997+300%1982
Turkey VultureCathartidae41999n/an/a
Eastern Whip-poor-willCaprimulgidae31984-26%1979
Eastern KingbirdTyrannidae31999-33%1979
Blue JayCorvidae31999-84%1979
American CrowCorvidae31999+189%1979
Brown-headed CowbirdIcteridae31993+36%1979
Wood ThrushTurdidae31997-44%1979
Indigo BuntingCardinalidae31997-20%1980
House FinchFringillidae31991+200%1984
Glossy IbisThreskiornithidae31991n/an/a
Laughing GullLaridae21999+200%1979
Common GrackleIcteridae21997-38%1979
Chipping SparrowPasserellidae21999-77%1979
Swamp SparrowPasserellidae21984-25%1980
Scarlet TanagerCardinalidae21997-42%1979
Tufted TitmouseParidae21993-48%1979
Yellow-billed CuckooCuculidae21997-80%1980
Baltimore OrioleIcteridae21991+0%1980

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