BirdAnalyst
BBS Route · Maine · BCR 14

Charleston Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 126 species recorded across 37 survey years, still active.

126Species 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 →
1975–2021Span
6Observers

Bird Species Found on Maine Charleston

Top 40 of 126 species by most recent count. Each links to its species trend.

Species recorded on the Charleston 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 CrowCorvidae392021+89%1978
Red-eyed VireoVireonidae342021+117%1978
Rock PigeonColumbidae302021+220%1992
OvenbirdParulidae292021+122%1978
Chipping SparrowPasserellidae242021+134%1978
Common YellowthroatParulidae232021+167%1978
American RobinTurdidae232021-48%1978
Black-capped ChickadeeParidae212021+131%1978
Northern ParulaParulidae142021+489%1978
Song SparrowPasserellidae132021-18%1978
Pine SiskinFringillidae121992n/an/a
Eastern PhoebeTyrannidae112021+87%1978
Yellow-bellied SapsuckerPicidae102021+200%1978
Chimney SwiftApodidae92019+89%1981
Red-breasted NuthatchSittidae82021-6%1981
Blue JayCorvidae72021+81%1978
Red-winged BlackbirdIcteridae72021-34%1978
Savannah SparrowPasserellidae72021+150%1980
VeeryTurdidae72021-72%1978
Mourning DoveColumbidae72021+136%1987
Cedar WaxwingBombycillidae72021+142%1980
Red CrossbillFringillidae72017n/an/a
American GoldfinchFringillidae62021-7%1978
White-throated SparrowPasserellidae62021-65%1978
Gray CatbirdMimidae62021-13%1978
Hermit ThrushTurdidae62021+657%1978
Nashville WarblerParulidae62019-46%1988
Black-throated Blue WarblerParulidae62021+467%1987
Philadelphia VireoVireonidae52019+67%1975
House SparrowPasseridae52021+27%1978
Bay-breasted WarblerParulidae52016+400%1994
Pine WarblerParulidae52021+229%2009
Hairy WoodpeckerPicidae42021+300%1989
Pileated WoodpeckerPicidae42019+200%1987
Blackburnian WarblerParulidae42019-33%1988
American RedstartParulidae42021-55%1980
Eastern BluebirdTurdidae42021+100%1999
KilldeerCharadriidae32004-58%1980
Tree SwallowHirundinidae32021-66%1978
Black-and-white WarblerParulidae32021+93%1978

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