BBS Route · Maine · BCR 14

Jefferson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 20 survey years, still active.

111Species Recorded
20Years Surveyed
19912010Span
1Observers

Bird Species Found on Maine Jefferson

Top 40 of 111 species by most recent count. Each links to its species trend.

Species recorded on the Jefferson route.
History
American RobinTurdidae382010+15%1993
American CrowCorvidae332010+58%1993
Red-winged BlackbirdIcteridae262010+41%1993
Red-eyed VireoVireonidae242010+25%1993
Double-crested CormorantPhalacrocoracidae212007+133%1996
Eastern PhoebeTyrannidae192010+35%1993
Common YellowthroatParulidae192010-4%1993
American GoldfinchFringillidae182010+159%1993
Song SparrowPasserellidae182010-11%1993
European StarlingSturnidae172010+24%1993
Barn SwallowHirundinidae152010-22%1993
Mourning DoveColumbidae132010-6%1993
Chipping SparrowPasserellidae102010+2%1993
Yellow WarblerParulidae102010-8%1993
Tree SwallowHirundinidae92010-61%1993
Gray CatbirdMimidae92010-21%1993
Herring GullLaridae82010+667%1996
Common GrackleIcteridae72010-10%1993
White-throated SparrowPasserellidae72008-17%1993
Great Crested FlycatcherTyrannidae62008+63%1994
Blue JayCorvidae62010-33%1993
House FinchFringillidae62010+16%1993
Black-capped ChickadeeParidae62010+0%1993
Rock PigeonColumbidae51991n/an/a
Cedar WaxwingBombycillidae52010-33%1993
Least FlycatcherTyrannidae42008-27%1993
Eastern MeadowlarkIcteridae42010+17%1993
Rose-breasted GrosbeakCardinalidae42009+67%1993
Nashville WarblerParulidae42009-8%1993
Chestnut-sided WarblerParulidae42010-43%1993
OvenbirdParulidae42010-12%1993
Tufted TitmouseParidae42010+40%2003
Alder FlycatcherTyrannidae32010-16%1993
Swamp SparrowPasserellidae32010-14%1993
Northern ParulaParulidae32010-55%1994
Northern CardinalCardinalidae32010+75%1998
Wild TurkeyPhasianidae32010-38%2002
Hooded MerganserAnatidae22008+50%1992
KilldeerCharadriidae22008-38%1993
Downy WoodpeckerPicidae22009+75%1995

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