BirdAnalyst
BBS Route · New Jersey · BCR 30

Cranbury Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 28 survey years, still active.

93Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1987–2025Span
8Observers

Bird Species Found on New Jersey Cranbury

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Cranbury 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 StarlingSturnidae802025-72%1989
American RobinTurdidae682025-48%1989
Blue JayCorvidae232025+6%1989
Song SparrowPasserellidae212025+35%1989
Chipping SparrowPasserellidae202025+77%1989
Northern CardinalCardinalidae192025+36%1989
Cedar WaxwingBombycillidae192024+333%1991
Gray CatbirdMimidae172025+283%1989
Canada GooseAnatidae172019-37%1996
Fish CrowCorvidae17202511×1993
Red-winged BlackbirdIcteridae162025-65%1989
Common GrackleIcteridae152025-91%1989
Mourning DoveColumbidae132025-84%1989
House SparrowPasseridae122025-68%1989
House FinchFringillidae102025-88%1989
Herring GullLaridae102015+820%1997
Wild TurkeyPhasianidae92025-13%2003
American GoldfinchFringillidae82025-13%1989
Northern House WrenTroglodytidae82025+50%1989
Turkey VultureCathartidae72025+600%2001
Northern MockingbirdMimidae72025-44%1989
Carolina WrenTroglodytidae62025+283%1994
Wood ThrushTurdidae52025-43%1989
American CrowCorvidae42025-71%1989
Barn SwallowHirundinidae42025-70%1989
Carolina ChickadeeParidae42024-27%1991
KilldeerCharadriidae32022-62%1989
Rock PigeonColumbidae32023-94%1989
Brown-headed CowbirdIcteridae32025-9%1989
Red-eyed VireoVireonidae32025-25%1989
Common YellowthroatParulidae32025-74%1989
Brown ThrasherMimidae32002+20%1989
Laughing GullLaridae31988n/an/a
Black-capped ChickadeeParidae32013+50%2005
Eastern Wood-PeweeTyrannidae22025+100%1991
Horned LarkAlaudidae21987n/an/a
Scarlet TanagerCardinalidae21988+0%1987
Purple MartinHirundinidae22010-33%1991
Northern Rough-winged SwallowHirundinidae22022+0%1989
American RedstartParulidae21991-67%1988

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