BirdAnalyst
BBS Route · New Jersey · BCR 30

Friendship Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 106 species recorded across 41 survey years, still active.

106Species 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 →
41Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2025Span
7Observers

Bird Species Found on New Jersey Friendship

Top 40 of 106 species by most recent count. Each links to its species trend.

Species recorded on the Friendship 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 TowheePasserellidae422025-79%1979
Pine WarblerParulidae422025+107%1979
OvenbirdParulidae422025+65%1979
Common YellowthroatParulidae282025-60%1979
Gray CatbirdMimidae272025+124%1979
American RobinTurdidae242025+200%1979
Eastern Wood-PeweeTyrannidae232025+340%1979
Mourning DoveColumbidae192025-20%1979
Chipping SparrowPasserellidae182025+238%1979
Tufted TitmouseParidae172025+67%1979
Red-winged BlackbirdIcteridae122025+71%1979
Great Crested FlycatcherTyrannidae102025+157%1979
Prairie WarblerParulidae82025-71%1979
Northern CardinalCardinalidae72025+375%1980
Turkey VultureCathartidae62025+150%1979
Eastern Whip-poor-willCaprimulgidae62025-36%1980
Blue JayCorvidae62025-78%1979
Herring GullLaridae62019-78%1988
Wild TurkeyPhasianidae62024+275%2016
Bank SwallowHirundinidae62016n/an/a
American CrowCorvidae52025-4%1979
Brown-headed CowbirdIcteridae52025+175%1979
White-breasted NuthatchSittidae52025+480%1980
Carolina ChickadeeParidae52025-58%1979
Yellow-billed CuckooCuculidae52025-24%1980
Blue-gray GnatcatcherPolioptilidae52025+133%1984
Tree SwallowHirundinidae42025+150%1984
Eastern PhoebeTyrannidae32025+140%1979
Purple MartinHirundinidae32025-86%1979
Black-and-white WarblerParulidae32025-65%1979
Eastern BluebirdTurdidae32025+150%1983
Wood ThrushTurdidae32025+20%1981
American GoldfinchFringillidae32025+100%1982
Canada GooseAnatidae32023-33%1994
Laughing GullLaridae22000-93%1979
Northern BobwhiteOdontophoridae21999-73%1980
Downy WoodpeckerPicidae22025+0%1982
Fish CrowCorvidae22024-89%1979
Field SparrowPasserellidae22025-82%1979
Song SparrowPasserellidae22023+33%1980

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