BirdAnalyst
BBS Route · Maine · BCR 14

Eastbrook Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 122 species recorded across 28 survey years, still active.

122Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2024Span
8Observers

Bird Species Found on Maine Eastbrook

Top 40 of 122 species by most recent count. Each links to its species trend.

Species recorded on the Eastbrook 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 VireoVireonidae682024+199%1973
American CrowCorvidae422024+530%1973
OvenbirdParulidae322024+155%1973
Bank SwallowHirundinidae311996+209%1985
American GoldfinchFringillidae252024+183%1973
Black-throated Green WarblerParulidae242024+165%1973
Common YellowthroatParulidae242024+18%1973
Chipping SparrowPasserellidae222024+350%1973
Northern ParulaParulidae222024+335%1973
Blue JayCorvidae192024+427%1974
Song SparrowPasserellidae172024+49%1973
Black-capped ChickadeeParidae172024+357%1974
Hermit ThrushTurdidae172024+19%1973
Cedar WaxwingBombycillidae162024+179%1973
American RobinTurdidae162024-46%1973
Eastern PhoebeTyrannidae102024+167%1973
Mourning DoveColumbidae102024+344%1987
Common GrackleIcteridae92024-30%1974
Yellow-bellied SapsuckerPicidae82024+233%1973
Black-and-white WarblerParulidae72024+39%1973
Winter WrenTroglodytidae72024+100%1974
Golden-crowned KingletRegulidae72024+129%1986
Blue-headed VireoVireonidae72024+200%1980
Pine WarblerParulidae72024+867%1994
Pileated WoodpeckerPicidae72024+467%1986
Double-crested CormorantPhalacrocoracidae71996+600%1981
European StarlingSturnidae52024-77%1973
White-throated SparrowPasserellidae52024-79%1973
Tree SwallowHirundinidae52024-87%1973
Hairy WoodpeckerPicidae52024+220%1979
KilldeerCharadriidae51996+33%1979
Common LoonGaviidae42024+180%1977
Chestnut-sided WarblerParulidae42024-61%1973
Red-breasted NuthatchSittidae42024+400%1977
Eastern MeadowlarkIcteridae41987+89%1974
Black-billed CuckooCuculidae41987-44%1979
Blackburnian WarblerParulidae42024+240%1981
Barn SwallowHirundinidae32024-94%1973
American RedstartParulidae32024+167%1973
Eastern BluebirdTurdidae32024+71%1974

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