BBS Route · Maine · BCR 14

Harmony Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 136 species recorded across 55 survey years, still active.

Bird Species Found on Maine Harmony

Top 40 of 136 species by most recent count. Each links to its species trend.

Species recorded on the Harmony 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
European StarlingSturnidae502025-62%1969
Common YellowthroatParulidae472025+241%1969
Red-winged BlackbirdIcteridae432025-18%1969
American CrowCorvidae412025+129%1969
Song SparrowPasserellidae402025-21%1969
Red-eyed VireoVireonidae402025+178%1969
OvenbirdParulidae262025+133%1969
American RobinTurdidae212025-58%1969
Black-capped ChickadeeParidae192025+273%1969
Chestnut-sided WarblerParulidae192025+640%1970
Mourning DoveColumbidae172025+130%1972
MallardAnatidae172025+120%1996
Alder FlycatcherTyrannidae162025+159%1978
Savannah SparrowPasserellidae152025+350%1969
Black-and-white WarblerParulidae142025+825%1969
Chipping SparrowPasserellidae132025+48%1969
Northern ParulaParulidae132025+225%1975
Eastern PhoebeTyrannidae122025+128%1969
Blue JayCorvidae122025-9%1969
Cedar WaxwingBombycillidae122025+43%1969
American GoldfinchFringillidae112025-59%1969
VeeryTurdidae112025-33%1969
Chimney SwiftApodidae102025-42%1970
Ring-billed GullLaridae102015-67%2004
Eastern Wood-PeweeTyrannidae92025+55%1969
Yellow WarblerParulidae92025+69%1969
House SparrowPasseridae92025-84%1969
American RedstartParulidae82025-21%1969
Tufted TitmouseParidae82025+467%2016
Gray CatbirdMimidae72025-23%1969
American Black DuckAnatidae72015+100%1972
Indigo BuntingCardinalidae72025+450%1990
Northern CardinalCardinalidae72025+200%1999
BobolinkIcteridae62025-73%1969
Tree SwallowHirundinidae62025-69%1969
Horned LarkAlaudidae61990n/an/a
Red-breasted NuthatchSittidae52025+120%1972
Northern House WrenTroglodytidae52025+175%1995
Yellow-bellied SapsuckerPicidae42025+10%1969
Great Crested FlycatcherTyrannidae42025+88%1969

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.