BirdAnalyst
BBS Route · New Hampshire · BCR 14

Jeffers Ntch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 30 survey years, still active.

100Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2024Span
1Observers

Bird Species Found on New Hampshire Jeffers Ntch

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Jeffers Ntch 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 VireoVireonidae542024+72%1995
European StarlingSturnidae202003+317%1995
OvenbirdParulidae172024+6%1995
American RobinTurdidae142024-42%1995
American RedstartParulidae132024-65%1995
Winter WrenTroglodytidae132024-42%1995
Swainson's ThrushTurdidae122024-4%1995
Canada GooseAnatidae11201711×2011
Tree SwallowHirundinidae102021-45%1995
Song SparrowPasserellidae82024+13%1995
Blue-headed VireoVireonidae72024-70%1995
Black-throated Green WarblerParulidae62024-90%1995
American CrowCorvidae42024+33%1995
Chestnut-sided WarblerParulidae42024-50%1995
Black-capped ChickadeeParidae42024-50%1995
Chipping SparrowPasserellidae42024+0%1996
Hairy WoodpeckerPicidae42019+50%1997
Eastern Wood-PeweeTyrannidae32015-10%1999
Alder FlycatcherTyrannidae32024+25%1995
Northern ParulaParulidae32024-17%1999
Black-throated Blue WarblerParulidae32024-74%1995
Common YellowthroatParulidae32024-32%1995
Gray CatbirdMimidae32024+14%1995
Hermit ThrushTurdidae32024-85%1995
Blue JayCorvidae32024+25%1997
Eastern PhoebeTyrannidae22024-63%1995
American GoldfinchFringillidae22023-50%1995
White-throated SparrowPasserellidae22024-62%1995
Magnolia WarblerParulidae22024-38%1995
Brown CreeperCerthiidae22009-17%1995
Ruby-crowned KingletRegulidae22016+133%2009
VeeryTurdidae22024-63%1995
Belted KingfisherAlcedinidae22024-20%1999
Indigo BuntingCardinalidae22024+25%1998
Warbling VireoVireonidae22002+50%1995
Barn SwallowHirundinidae22023+25%2004
Hooded MerganserAnatidae22016n/an/a
Mourning DoveColumbidae12024-63%1998
Downy WoodpeckerPicidae12022-63%1997
Black-backed WoodpeckerPicidae12009+0%1993

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