BirdAnalyst
BBS Route · Maine · BCR 14

Grnd Lk Strm Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 9 survey years, still active.

109Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2000Span
4Observers

Bird Species Found on Maine Grnd Lk Strm

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Grnd Lk Strm 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
Cliff SwallowHirundinidae931993+944%1991
European StarlingSturnidae602000+214%1991
White-throated SparrowPasserellidae362000+10%1991
Magnolia WarblerParulidae312000+161%1991
Cedar WaxwingBombycillidae272000+4%1991
White-winged CrossbillFringillidae251998n/an/a
Northern ParulaParulidae232000+41%1991
American RobinTurdidae212000-44%1991
American CrowCorvidae202000-13%1992
OvenbirdParulidae182000-41%1991
Common GrackleIcteridae172000+2%1991
Rock PigeonColumbidae162000+192%1992
Red-eyed VireoVireonidae152000-48%1991
Hermit ThrushTurdidae152000+63%1991
Common YellowthroatParulidae142000-14%1991
Blue-headed VireoVireonidae132000+137%1991
Black-throated Green WarblerParulidae132000-36%1991
Winter WrenTroglodytidae132000+26%1992
Barn SwallowHirundinidae112000+50%1991
Nashville WarblerParulidae102000+150%1991
Purple MartinHirundinidae92000-66%1992
Black-capped ChickadeeParidae82000-22%1991
Song SparrowPasserellidae72000-31%1991
Tree SwallowHirundinidae72000-21%1991
Black-and-white WarblerParulidae72000+4%1991
Red-breasted NuthatchSittidae71999-11%1991
KilldeerCharadriidae71993+133%1990
Mourning DoveColumbidae72000+42%1992
House SparrowPasseridae61966n/an/a
Red CrossbillFringillidae61992n/an/a
Yellow-bellied SapsuckerPicidae52000-25%1991
American RedstartParulidae52000-10%1991
Great Crested FlycatcherTyrannidae51992-17%1990
Evening GrosbeakFringillidae52000+25%1993
Swamp SparrowPasserellidae42000+6%1991
Black-throated Blue WarblerParulidae42000+0%1991
Eastern KingbirdTyrannidae41993-14%1991
Scarlet TanagerCardinalidae41992+300%1990
Blue JayCorvidae32000-63%1991
VeeryTurdidae32000-55%1991

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