BirdAnalyst
BBS Route · New Jersey · BCR 30

Friendship Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 106 species recorded across 40 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2024Span
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
OvenbirdParulidae542024+75%1979
Pine WarblerParulidae482024+118%1979
Eastern TowheePasserellidae362024-81%1979
Gray CatbirdMimidae242024+137%1979
American RobinTurdidae232024+204%1979
Eastern Wood-PeweeTyrannidae222024+300%1979
Mourning DoveColumbidae202024-27%1979
Common YellowthroatParulidae182024-61%1979
American CrowCorvidae152024+4%1979
Chipping SparrowPasserellidae152024+206%1979
Tufted TitmouseParidae132024+58%1979
Great Crested FlycatcherTyrannidae122024+136%1979
Prairie WarblerParulidae102024-67%1979
White-breasted NuthatchSittidae102024+560%1980
Red-eyed VireoVireonidae92024+250%1979
Brown-headed CowbirdIcteridae82024+200%1979
Blue-gray GnatcatcherPolioptilidae82024+133%1984
Cedar WaxwingBombycillidae72024-7%1984
Red-bellied WoodpeckerPicidae72024+375%1991
Turkey VultureCathartidae62024+67%1979
Black-and-white WarblerParulidae62024-63%1979
Herring GullLaridae62019-78%1988
Wild TurkeyPhasianidae62024+275%2016
Bank SwallowHirundinidae62016n/an/a
Blue JayCorvidae52024-84%1979
Red-winged BlackbirdIcteridae52024+14%1979
Common GrackleIcteridae52024-77%1979
Eastern BluebirdTurdidae52024+125%1983
Northern CardinalCardinalidae52024+325%1980
Eastern PhoebeTyrannidae42024+100%1979
Carolina ChickadeeParidae42024-67%1979
Downy WoodpeckerPicidae32023+14%1982
Barn SwallowHirundinidae32024-55%1979
Yellow-billed CuckooCuculidae32024-24%1980
Tree SwallowHirundinidae32024+75%1984
Canada GooseAnatidae32023-33%1994
Laughing GullLaridae22000-93%1979
Northern BobwhiteOdontophoridae21999-73%1980
Eastern KingbirdTyrannidae22024-40%1979
Fish CrowCorvidae22024-89%1979

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