BirdAnalyst
BBS Route · New Hampshire · BCR 14

Walpole Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 124 species recorded across 58 survey years, still active.

124Species 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 →
58Years 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
7Observers

Bird Species Found on New Hampshire Walpole

Top 40 of 124 species by most recent count. Each links to its species trend.

Species recorded on the Walpole 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 VireoVireonidae532025+225%1968
Song SparrowPasserellidae392025+32%1968
Chipping SparrowPasserellidae302025+177%1968
OvenbirdParulidae292025+100%1968
Black-capped ChickadeeParidae262025+37%1968
American RobinTurdidae242025-64%1968
Gray CatbirdMimidae202025+7%1968
Chestnut-sided WarblerParulidae192025+85%1968
Cedar WaxwingBombycillidae182025+222%1968
Barn SwallowHirundinidae162025+48%1968
Red-winged BlackbirdIcteridae152025-61%1968
Pine WarblerParulidae152025+625%1983
American CrowCorvidae142025-19%1968
Eastern PhoebeTyrannidae132025+138%1968
Common YellowthroatParulidae122025+5%1968
Tufted TitmouseParidae12202512×1990
American GoldfinchFringillidae112025-15%1968
Mourning DoveColumbidae102025+271%1968
Common GrackleIcteridae102025+24%1968
Northern House WrenTroglodytidae102025+675%1969
Black-throated Green WarblerParulidae102025+420%1970
Northern CardinalCardinalidae102025+440%1985
Tree SwallowHirundinidae92025-3%1968
Black-and-white WarblerParulidae92025+58%1968
Alder FlycatcherTyrannidae82025+350%1968
Scarlet TanagerCardinalidae82025+300%1968
White-breasted NuthatchSittidae82025+117%1969
Yellow-bellied SapsuckerPicidae82025+213%1969
Least FlycatcherTyrannidae72025-40%1968
Blackburnian WarblerParulidae72025+157%1972
VeeryTurdidae72025-57%1968
Red-bellied WoodpeckerPicidae72025+150%2017
Purple FinchFringillidae52025+100%1969
Swamp SparrowPasserellidae52025-42%1969
Downy WoodpeckerPicidae52025+50%1969
Pine SiskinFringillidae52015n/an/a
Chimney SwiftApodidae42024-17%1968
European StarlingSturnidae42025-87%1968
Rose-breasted GrosbeakCardinalidae42025-11%1969
Indigo BuntingCardinalidae42025+233%1970

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