BBS Route · New Hampshire · BCR 14

Peterborough Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 58 survey years, still active.

Bird Species Found on New Hampshire Peterborough

Top 40 of 120 species by most recent count. Each links to its species trend.

Species recorded on the Peterborough 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
Red-eyed VireoVireonidae372024+127%1968
Song SparrowPasserellidae212024+62%1968
Chipping SparrowPasserellidae182024+79%1968
American GoldfinchFringillidae172024+200%1968
Gray CatbirdMimidae172024+29%1968
Tufted TitmouseParidae142024+212%1983
White-breasted NuthatchSittidae132024+275%1968
Mourning DoveColumbidae122024+740%1968
Barn SwallowHirundinidae122024+46%1968
Northern CardinalCardinalidae122024+600%1981
American CrowCorvidae112024+68%1968
Eastern PhoebeTyrannidae102024+153%1968
VeeryTurdidae102024-69%1968
American RobinTurdidae92024-76%1968
Common YellowthroatParulidae82024-22%1968
Downy WoodpeckerPicidae82024+200%1969
House SparrowPasseridae82024+127%1969
Wild TurkeyPhasianidae82024+67%2015
Scarlet TanagerCardinalidae72024+180%1968
Black-capped ChickadeeParidae72024-39%1968
Red-winged BlackbirdIcteridae62024-82%1968
Common GrackleIcteridae62024+218%1968
Double-crested CormorantPhalacrocoracidae61975n/an/a
Great Crested FlycatcherTyrannidae52024+9%1968
Pine WarblerParulidae52024+217%1971
Eastern BluebirdTurdidae52024+200%1970
MallardAnatidae51999-30%1990
Red-bellied WoodpeckerPicidae52024+375%2009
Cliff SwallowHirundinidae41980+100%1971
Carolina WrenTroglodytidae42024+25%2021
Eastern Wood-PeweeTyrannidae32024+60%1969
Blue JayCorvidae32024-81%1968
Tree SwallowHirundinidae32024-57%1968
OvenbirdParulidae32024-57%1968
Northern House WrenTroglodytidae32024+50%1968
Wood ThrushTurdidae32024-92%1968
Golden-crowned KingletRegulidae31967n/an/a
Hermit ThrushTurdidae32024-42%1969
Rock PigeonColumbidae32024+0%1977
Barred OwlStrigidae32021+200%1971

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