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BBS Route · Maine · BCR 14

Deblois Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 31 survey years, still active.

110Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2007Span
2Observers

Bird Species Found on Maine Deblois

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Deblois 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
Double-crested CormorantPhalacrocoracidae582007+771%1971
Red-eyed VireoVireonidae492007+269%1968
American CrowCorvidae412007-16%1968
Common YellowthroatParulidae292007-17%1968
American RobinTurdidae272007-21%1968
OvenbirdParulidae272007+275%1969
Cedar WaxwingBombycillidae202007+27%1968
Canada GooseAnatidae172007n/an/a
Hermit ThrushTurdidae162007-32%1968
White-throated SparrowPasserellidae132007-57%1968
Alder FlycatcherTyrannidae122007-46%1968
European StarlingSturnidae122007-63%1968
Song SparrowPasserellidae112007-64%1968
Savannah SparrowPasserellidae102007+13%1969
American GoldfinchFringillidae92007-15%1968
Vesper SparrowPasserellidae92007-43%1968
Common RavenCorvidae92007+4%1969
Mourning DoveColumbidae92007+200%1976
Black-throated Green WarblerParulidae82007+257%1969
Chipping SparrowPasserellidae82007+60%1973
Nashville WarblerParulidae72007+18%1968
Gray CatbirdMimidae72007-60%1968
Ring-billed GullLaridae62007+500%1999
Herring GullLaridae52007-76%1968
Red-winged BlackbirdIcteridae51999-90%1968
Bank SwallowHirundinidae51991-74%1971
Wild TurkeyPhasianidae52007+400%2005
Common TernLaridae41966n/an/a
Common NighthawkCaprimulgidae41973+33%1966
Blue JayCorvidae42007+83%1968
Eastern Wood-PeweeTyrannidae42005+20%1969
Blue-headed VireoVireonidae42005+250%1970
Northern WaterthrushParulidae41987n/an/a
Purple FinchFringillidae32007-46%1968
Lincoln's SparrowPasserellidae31966n/an/a
Cliff SwallowHirundinidae32005-86%1968
Northern ParulaParulidae32007+0%1969
Chestnut-sided WarblerParulidae32007-15%1968
American RedstartParulidae32007-65%1968
Winter WrenTroglodytidae32007+100%1970

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