BirdAnalyst
BBS Route · Maine · BCR 14

Clayton Lake 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 65 species recorded across 3 survey years, still active.

65Species 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 →
3Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2010–2013Span
1Observers

Bird Species Found on Maine Clayton Lake 2

Top 40 of 65 species by most recent count. Each links to its species trend.

Species recorded on the Clayton Lake 2 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 RobinTurdidae422013-11%2010
White-throated SparrowPasserellidae382013-59%2010
Red-eyed VireoVireonidae202013-23%2010
Swainson's ThrushTurdidae192013-17%2010
Common YellowthroatParulidae132013-7%2010
Hermit ThrushTurdidae112013-50%2010
Yellow-bellied SapsuckerPicidae92013+0%2010
Palm WarblerParulidae92011n/an/a
Alder FlycatcherTyrannidae82013-20%2010
Rose-breasted GrosbeakCardinalidae72013+75%2010
Blue-headed VireoVireonidae72011+0%2010
Wilson's SnipeScolopacidae62013+20%2010
Blue JayCorvidae62013+100%2010
Common RavenCorvidae62013+500%2010
American RedstartParulidae62013-46%2010
Least FlycatcherTyrannidae52011+67%2010
Black-throated Blue WarblerParulidae52011+25%2010
Winter WrenTroglodytidae52013-81%2010
VeeryTurdidae52013-44%2010
Black-and-white WarblerParulidae42013+100%2010
Tennessee WarblerParulidae42011+300%2010
American CrowCorvidae32013-40%2010
Song SparrowPasserellidae32013+200%2010
Northern ParulaParulidae32013-50%2010
Magnolia WarblerParulidae32013-57%2010
Belted KingfisherAlcedinidae32011n/an/a
Yellow-bellied FlycatcherTyrannidae32011n/an/a
Fox SparrowPasserellidae32013n/an/a
Pileated WoodpeckerPicidae22013+0%2010
American GoldfinchFringillidae22013+100%2010
Barn SwallowHirundinidae22010n/an/a
Cedar WaxwingBombycillidae22011-92%2010
Nashville WarblerParulidae22013-85%2010
Cape May WarblerParulidae22013+100%2010
Chestnut-sided WarblerParulidae22013-78%2010
Black-throated Green WarblerParulidae22013-60%2010
Northern WaterthrushParulidae22013+0%2010
Canada WarblerParulidae22010n/an/a
Brown CreeperCerthiidae22010n/an/a
Red-breasted NuthatchSittidae22013-67%2010

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