BirdAnalyst
BBS Route · Maine · BCR 14

Eastbrook Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 123 species recorded across 29 survey years, still active.

123Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2025Span
8Observers

Bird Species Found on Maine Eastbrook

Top 40 of 123 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 VireoVireonidae502025+162%1973
American CrowCorvidae402025+539%1973
Bank SwallowHirundinidae311996+209%1985
OvenbirdParulidae292025+116%1973
Northern ParulaParulidae202025+255%1973
American RobinTurdidae182025-48%1973
Common GrackleIcteridae172025+17%1974
Song SparrowPasserellidae172025+49%1973
Common YellowthroatParulidae162025+14%1973
Black-throated Green WarblerParulidae142025+148%1973
Hermit ThrushTurdidae142025+10%1973
Red-breasted NuthatchSittidae132025+343%1977
Blue JayCorvidae122025+336%1974
Black-capped ChickadeeParidae122025+400%1974
Mourning DoveColumbidae122025+389%1987
Cedar WaxwingBombycillidae102025+150%1973
Black-and-white WarblerParulidae102025+44%1973
Pine WarblerParulidae102025+800%1994
Eastern PhoebeTyrannidae92025+142%1973
Common RavenCorvidae82025+300%1977
Chipping SparrowPasserellidae72025+290%1973
Eastern BluebirdTurdidae72025+86%1974
Double-crested CormorantPhalacrocoracidae71996+600%1981
European StarlingSturnidae52024-77%1973
White-throated SparrowPasserellidae52025-79%1973
Tree SwallowHirundinidae52024-87%1973
Hairy WoodpeckerPicidae52024+220%1979
KilldeerCharadriidae51996+33%1979
Blue-headed VireoVireonidae52025+167%1980
Common LoonGaviidae42025+180%1977
American GoldfinchFringillidae42025+122%1973
Downy WoodpeckerPicidae42025+0%1977
Eastern MeadowlarkIcteridae41987+89%1974
Black-billed CuckooCuculidae41987-44%1979
Pileated WoodpeckerPicidae42025+300%1986
Turkey VultureCathartidae42025+150%2017
Yellow-bellied SapsuckerPicidae32025+100%1973
Purple FinchFringillidae32025+0%1977
Barn SwallowHirundinidae32025-93%1973
Chestnut-sided WarblerParulidae32025-61%1973

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