BirdAnalyst
BBS Route · Maine · BCR 14

Bethel Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 124 species recorded across 37 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2021Span
4Observers

Bird Species Found on Maine Bethel

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

Species recorded on the Bethel 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
American RobinTurdidae192021-63%1978
Red-eyed VireoVireonidae162021-40%1979
American CrowCorvidae152021+14%1978
Chipping SparrowPasserellidae102021-51%1979
OvenbirdParulidae102021-34%1979
White-throated SparrowPasserellidae92021-54%1979
Song SparrowPasserellidae92021-25%1979
Common YellowthroatParulidae92021-67%1979
Barn SwallowHirundinidae82019-89%1978
Bank SwallowHirundinidae82019-81%1979
Chestnut-sided WarblerParulidae72021-30%1979
Hermit ThrushTurdidae72019+10%1979
Black-capped ChickadeeParidae62021+123%1978
Savannah SparrowPasserellidae62019-43%1979
Philadelphia VireoVireonidae62021+125%1996
House SparrowPasseridae52016-30%1978
Northern ParulaParulidae52021+140%1992
Black-throated Blue WarblerParulidae52019+100%1979
Gray CatbirdMimidae52021-56%1979
Red CrossbillFringillidae52010n/an/a
Blue JayCorvidae42021-39%1978
Indigo BuntingCardinalidae42021+86%1979
Black-throated Green WarblerParulidae42019+75%1990
Red-winged BlackbirdIcteridae32021-70%1978
American GoldfinchFringillidae32021-10%1978
Cedar WaxwingBombycillidae32021-18%1978
Mourning DoveColumbidae32021-63%1988
Chimney SwiftApodidae32018-40%1979
Common RavenCorvidae32021+0%1979
Purple FinchFringillidae32019-75%1979
Swamp SparrowPasserellidae32019+25%1979
American RedstartParulidae32021-75%1979
Pileated WoodpeckerPicidae32019+50%2000
European StarlingSturnidae22021-80%1978
Common GrackleIcteridae22021-90%1978
Tree SwallowHirundinidae22021-95%1978
Rock PigeonColumbidae22017+200%1990
Eastern PhoebeTyrannidae22021-30%1979
BobolinkIcteridae22013-38%1979
Scarlet TanagerCardinalidae22018-60%1988

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