BirdAnalyst
BBS Route · New Jersey · BCR 30

Masonville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 58 species recorded across 5 survey years, no longer active.

58Species 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 →
5Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1970Span
1Observers

Bird Species Found on New Jersey Masonville

Top 40 of 58 species by most recent count. Each links to its species trend.

Species recorded on the Masonville 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
European StarlingSturnidae3581970-11%1967
Common GrackleIcteridae1501970+41%1967
Red-winged BlackbirdIcteridae511970-4%1967
American RobinTurdidae501970-40%1967
Northern MockingbirdMimidae391970-3%1967
House SparrowPasseridae321970-41%1967
American CrowCorvidae221970+27%1967
Mourning DoveColumbidae211970-36%1967
Blue JayCorvidae201970-5%1967
Song SparrowPasserellidae181970-53%1967
Barn SwallowHirundinidae151970-38%1967
Rock PigeonColumbidae141970+3%1968
Northern BobwhiteOdontophoridae101970+13%1967
Gray CatbirdMimidae101970-29%1967
Wood ThrushTurdidae101970-17%1967
Northern CardinalCardinalidae81970-13%1967
Indigo BuntingCardinalidae51970-36%1967
Chimney SwiftApodidae41970+14%1967
Eastern KingbirdTyrannidae41969+0%1967
Northern House WrenTroglodytidae41970-42%1967
Eastern MeadowlarkIcteridae31970-39%1967
Field SparrowPasserellidae31970-52%1967
Common YellowthroatParulidae31970-50%1967
American KestrelFalconidae31970+200%1967
Brown-headed CowbirdIcteridae31969+50%1967
Tufted TitmouseParidae31970-25%1967
MallardAnatidae21970-60%1966
Ring-necked PheasantPhasianidae21970-58%1967
BobolinkIcteridae21966n/an/a
Baltimore OrioleIcteridae21970-50%1967
Red-eyed VireoVireonidae21970-20%1967
Brown ThrasherMimidae21970+20%1967
Great Crested FlycatcherTyrannidae21970+50%1968
American Black DuckAnatidae21968n/an/a
KilldeerCharadriidae11970-80%1966
Turkey VultureCathartidae11970+167%1967
Red-bellied WoodpeckerPicidae11966n/an/a
Willow FlycatcherTyrannidae11966n/an/a
American GoldfinchFringillidae11968-83%1966
Vesper SparrowPasserellidae11967+0%1966

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