BirdAnalyst
BBS Route · Maine · BCR 14

Hermon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 118 species recorded across 36 survey years, still active.

118Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2021Span
7Observers

Bird Species Found on Maine Hermon

Top 40 of 118 species by most recent count. Each links to its species trend.

Species recorded on the Hermon 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
Red-eyed VireoVireonidae472021+153%1972
Song SparrowPasserellidae402021-4%1972
Common YellowthroatParulidae402021+46%1972
Black-capped ChickadeeParidae402021+375%1972
European StarlingSturnidae382021-58%1972
OvenbirdParulidae352021+278%1972
Chipping SparrowPasserellidae312021+257%1974
American CrowCorvidae292021+167%1972
American RobinTurdidae292021-39%1972
Eastern PhoebeTyrannidae282021+255%1972
Blue JayCorvidae252021+170%1972
American GoldfinchFringillidae252021-10%1972
Black-and-white WarblerParulidae252021+467%1972
Yellow WarblerParulidae232021+38%1972
Chestnut-sided WarblerParulidae222021+85%1972
Mourning DoveColumbidae21202119×1973
MallardAnatidae192021+475%2013
Cedar WaxwingBombycillidae172021+171%1972
Gray CatbirdMimidae132021+129%1972
Alder FlycatcherTyrannidae122021+10%1972
BobolinkIcteridae122021-54%1972
Cliff SwallowHirundinidae121993+75%1980
Yellow-bellied SapsuckerPicidae112021+480%1972
Tree SwallowHirundinidae112021-17%1972
Northern ParulaParulidae112021+413%1979
Eastern Wood-PeweeTyrannidae92021+125%1974
Pine WarblerParulidae92021+220%2014
Chimney SwiftApodidae82021+183%1972
Brown-headed CowbirdIcteridae82021-24%1972
Barn SwallowHirundinidae72021-77%1972
American RedstartParulidae72021-19%1972
Rock PigeonColumbidae62019+100%1982
Savannah SparrowPasserellidae62021-20%1972
Red-winged BlackbirdIcteridae52021-14%1972
Common GrackleIcteridae52021-43%1972
VeeryTurdidae52021-60%1972
Hermit ThrushTurdidae52021-55%1973
Red-breasted NuthatchSittidae52021+50%1975
White-breasted NuthatchSittidae52021+233%1992
Nashville WarblerParulidae42021+14%1972

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