BirdAnalyst
BBS Route · New Hampshire · BCR 14

Walpole Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 124 species recorded across 57 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 →
57Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
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 VireoVireonidae552024+289%1968
Song SparrowPasserellidae332024+26%1968
Cedar WaxwingBombycillidae322024+204%1968
Chipping SparrowPasserellidae292024+217%1968
American RobinTurdidae292024-58%1968
OvenbirdParulidae262024+82%1968
Common YellowthroatParulidae252024+12%1968
American GoldfinchFringillidae222024-10%1968
Barn SwallowHirundinidae202024+32%1968
Eastern PhoebeTyrannidae192024+148%1968
Common GrackleIcteridae172024+7%1968
Gray CatbirdMimidae172024-4%1968
Black-capped ChickadeeParidae152024+35%1968
American CrowCorvidae142024+0%1968
Chestnut-sided WarblerParulidae142024+92%1968
Tree SwallowHirundinidae112024+27%1968
Northern House WrenTroglodytidae112024+625%1969
Red-winged BlackbirdIcteridae102024-53%1968
Northern CardinalCardinalidae102024+500%1985
Tufted TitmouseParidae10202415×1990
American RedstartParulidae92024+37%1968
VeeryTurdidae92024-57%1968
Indigo BuntingCardinalidae82024+350%1970
Mourning DoveColumbidae72024+429%1968
Scarlet TanagerCardinalidae72024+225%1968
Black-throated Green WarblerParulidae72024+300%1970
Eastern BluebirdTurdidae72024+180%1987
Pine WarblerParulidae72024+425%1983
Blue JayCorvidae62024-67%1968
Hairy WoodpeckerPicidae62024+150%1970
Brown CreeperCerthiidae62024+175%1972
Black-and-white WarblerParulidae52024+42%1968
Blackburnian WarblerParulidae52024+143%1972
Yellow-bellied SapsuckerPicidae52024+238%1969
Pine SiskinFringillidae52015n/an/a
Red CrossbillFringillidae52023n/an/a
Chimney SwiftApodidae42024-17%1968
Yellow WarblerParulidae42024-22%1968
White-breasted NuthatchSittidae42024+83%1969
Red-breasted NuthatchSittidae42024+167%1975

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