BirdAnalyst
BBS Route · Maine · BCR 14

Greenville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 127 species recorded across 34 survey years, still active.

127Species 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 →
34Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2022Span
6Observers

Bird Species Found on Maine Greenville

Top 40 of 127 species by most recent count. Each links to its species trend.

Species recorded on the Greenville 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 CrowCorvidae392022+215%1977
Red-eyed VireoVireonidae382022-26%1983
OvenbirdParulidae262022+8%1977
White-throated SparrowPasserellidae182022-59%1977
American RobinTurdidae162022-53%1977
Common YellowthroatParulidae152022+13%1977
Black-capped ChickadeeParidae142022+38%1977
Blue JayCorvidae122022+131%1977
Common GrackleIcteridae82022-54%1977
White-winged CrossbillFringillidae81985+300%1972
Cliff SwallowHirundinidae82022-17%1984
Ring-billed GullLaridae82022-48%1997
Mourning DoveColumbidae72022+160%1988
Downy WoodpeckerPicidae62022+217%1977
Yellow-bellied SapsuckerPicidae52022+138%1977
Field SparrowPasserellidae51972n/an/a
Pileated WoodpeckerPicidae52022+13%1983
Evening GrosbeakFringillidae51999-8%1983
Northern ParulaParulidae52022-33%1983
American GoldfinchFringillidae42022-9%1977
Chipping SparrowPasserellidae42022-75%1977
Tree SwallowHirundinidae42019-56%1977
VeeryTurdidae42019-68%1977
Wilson's SnipeScolopacidae42007+20%1987
Cedar WaxwingBombycillidae42018-7%1983
Herring GullLaridae41999+214%1984
Rock PigeonColumbidae42010-10%1984
Red-breasted MerganserAnatidae42005n/an/a
Canada GooseAnatidae42022+300%2009
Chimney SwiftApodidae32019-73%1983
Chestnut-sided WarblerParulidae32022-50%1977
Hermit ThrushTurdidae32022-74%1977
Alder FlycatcherTyrannidae32022+25%1983
Blue-headed VireoVireonidae32022-43%1983
Black-and-white WarblerParulidae32019+67%1983
Cape May WarblerParulidae32022+167%1984
Black-throated Green WarblerParulidae32022-48%1983
House FinchFringillidae32016n/an/a
Hairy WoodpeckerPicidae22022-46%1977
Yellow-bellied FlycatcherTyrannidae22005+50%1984

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