BirdAnalyst
BBS Route · New Hampshire · BCR 14

Peterborough Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 59 survey years, still active.

120Species 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 →
59Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
5Observers

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 VireoVireonidae252025+76%1968
American RobinTurdidae252025-73%1968
Black-capped ChickadeeParidae172025-32%1968
American GoldfinchFringillidae162025+92%1968
Chipping SparrowPasserellidae162025+75%1968
Gray CatbirdMimidae132025+20%1968
Northern CardinalCardinalidae112025+575%1981
Eastern PhoebeTyrannidae102025+140%1968
Song SparrowPasserellidae102025+44%1968
Red-winged BlackbirdIcteridae92025-88%1968
Tufted TitmouseParidae92025+100%1983
American CrowCorvidae82025+46%1968
Mourning DoveColumbidae72025+600%1968
Common YellowthroatParulidae72025-26%1968
Northern House WrenTroglodytidae72025+8%1968
Chimney SwiftApodidae62025-56%1968
American RedstartParulidae62025+0%1968
Double-crested CormorantPhalacrocoracidae61975n/an/a
Wild TurkeyPhasianidae62025+89%2015
Eastern Wood-PeweeTyrannidae52025+50%1969
Brown-headed CowbirdIcteridae52025-39%1968
VeeryTurdidae52025-70%1968
MallardAnatidae51999-30%1990
House FinchFringillidae52025-18%1988
Blue JayCorvidae42025-80%1968
European StarlingSturnidae42025-81%1968
OvenbirdParulidae42025-67%1968
House SparrowPasseridae42025+118%1969
Cliff SwallowHirundinidae41980+100%1971
Carolina WrenTroglodytidae42025+100%2021
Tree SwallowHirundinidae32025-52%1968
Yellow WarblerParulidae32025+9%1968
Pine WarblerParulidae32025+150%1971
Brown CreeperCerthiidae32025+100%1970
Wood ThrushTurdidae32024-92%1968
Downy WoodpeckerPicidae32025+167%1969
Cedar WaxwingBombycillidae32025+275%1969
Golden-crowned KingletRegulidae31967n/an/a
Rock PigeonColumbidae32024+0%1977
Barred OwlStrigidae32021+200%1971

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