BirdAnalyst
BBS Route · New Hampshire · BCR 30

Epsom Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 125 species recorded across 56 survey years, still active.

125Species 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 →
56Years 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
8Observers

Bird Species Found on New Hampshire Epsom

Top 40 of 125 species by most recent count. Each links to its species trend.

Species recorded on the Epsom 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-winged BlackbirdIcteridae352025-10%1968
Gray CatbirdMimidae272025+43%1968
American RobinTurdidae252025-42%1968
Chipping SparrowPasserellidae242025+290%1968
Black-capped ChickadeeParidae212025+205%1968
European StarlingSturnidae202025-27%1968
OvenbirdParulidae192025-19%1968
House SparrowPasseridae182025+121%1968
Red-eyed VireoVireonidae172025+26%1968
Tufted TitmouseParidae16202511×1983
Eastern PhoebeTyrannidae152025-2%1968
Northern House WrenTroglodytidae132025+0%1968
Northern CardinalCardinalidae13202514×1984
American GoldfinchFringillidae112025+214%1968
Cedar WaxwingBombycillidae112025+171%1969
Mourning DoveColumbidae112025+288%1969
MallardAnatidae102025+386%1993
Song SparrowPasserellidae92025-40%1968
VeeryTurdidae92025+0%1968
Tree SwallowHirundinidae82025-11%1968
Hairy WoodpeckerPicidae62025+167%1976
Common GrackleIcteridae62025-8%1968
Purple FinchFringillidae62024-10%1968
Common YellowthroatParulidae62025-38%1968
Wild TurkeyPhasianidae62024+200%2015
Carolina WrenTroglodytidae62025+367%2013
Chimney SwiftApodidae52025-64%1968
Eastern Wood-PeweeTyrannidae52025+44%1969
Brown-headed CowbirdIcteridae52025+183%1968
Wood ThrushTurdidae52025-77%1968
Great Crested FlycatcherTyrannidae52025+83%1969
Downy WoodpeckerPicidae42025+140%1973
Blue JayCorvidae42025-64%1968
American RedstartParulidae42025+36%1968
Eastern BluebirdTurdidae42025+60%1969
Herring GullLaridae41994+50%1970
Canada GooseAnatidae42018-83%1997
Least FlycatcherTyrannidae32016-79%1968
American CrowCorvidae32025-4%1968
BobolinkIcteridae32016-57%1969

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