BBS Route · New Jersey · BCR 30

Bennett Mill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 17 survey years, no longer active.

Bird Species Found on New Jersey Bennett Mill

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Bennett Mill 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
Common GrackleIcteridae822000-1%1968
European StarlingSturnidae692000+13%1968
American CrowCorvidae542000+57%1968
American RobinTurdidae352000+115%1968
Mourning DoveColumbidae292000+104%1968
Gray CatbirdMimidae252000+52%1968
Blue-gray GnatcatcherPolioptilidae212000+75%1997
Herring GullLaridae201994n/an/a
Northern CardinalCardinalidae192000+256%1968
Eastern TowheePasserellidae172000-57%1968
Eastern KingbirdTyrannidae162000+54%1968
Chipping SparrowPasserellidae162000-43%1968
Song SparrowPasserellidae162000+121%1968
Bank SwallowHirundinidae161976+300%1969
Pine WarblerParulidae142000+433%1972
OvenbirdParulidae132000+141%1968
Tufted TitmouseParidae132000+78%1968
Carolina ChickadeeParidae132000+25%1968
Northern MockingbirdMimidae122000-48%1968
Fish CrowCorvidae112000+214%1969
Prairie WarblerParulidae112000+55%1968
House SparrowPasseridae112000-68%1968
Eastern Wood-PeweeTyrannidae102000+150%1968
Brown-headed CowbirdIcteridae102000-46%1968
Red-winged BlackbirdIcteridae102000-15%1968
Blue JayCorvidae92000-56%1968
Common YellowthroatParulidae92000+44%1968
Wood ThrushTurdidae92000+92%1969
Red-eyed VireoVireonidae72000-41%1968
White-breasted NuthatchSittidae72000+167%1971
Green HeronArdeidae61976+133%1968
Rock PigeonColumbidae62000-79%1992
House FinchFringillidae62000-47%1993
American GoldfinchFringillidae52000+240%1971
American Black DuckAnatidae51972+400%1967
Eastern PhoebeTyrannidae52000+200%1995
Red-bellied WoodpeckerPicidae52000+125%1993
Eastern Whip-poor-willCaprimulgidae42000+83%1968
Great Crested FlycatcherTyrannidae42000-59%1968
Purple MartinHirundinidae42000-74%1968

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