BirdAnalyst
BBS Route · Maine · BCR 14

Benton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 6 survey years, no longer active.

93Species 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 →
6Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–1980Span
4Observers

Bird Species Found on Maine Benton

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Benton 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 StarlingSturnidae521980+65%1977
American RobinTurdidae511980-4%1977
Tree SwallowHirundinidae441980+278%1977
American CrowCorvidae431980+64%1977
Red-winged BlackbirdIcteridae391980+54%1977
Common YellowthroatParulidae341980-7%1977
BobolinkIcteridae331980+19%1977
Song SparrowPasserellidae311980-23%1977
White-throated SparrowPasserellidae281980-25%1977
Barn SwallowHirundinidae271980-18%1977
Yellow WarblerParulidae241980+108%1977
Brown-headed CowbirdIcteridae221980+155%1977
American GoldfinchFringillidae201980+174%1977
OvenbirdParulidae201980+116%1977
VeeryTurdidae201980-12%1977
Eastern PhoebeTyrannidae171980+200%1977
Northern Rough-winged SwallowHirundinidae171972+467%1971
Bank SwallowHirundinidae161979-40%1977
Cedar WaxwingBombycillidae161980+157%1977
Red-eyed VireoVireonidae161980+29%1977
Wood ThrushTurdidae161980-18%1977
Alder FlycatcherTyrannidae151980+175%1977
Gray CatbirdMimidae151980+104%1977
Common GrackleIcteridae141980+22%1977
Chestnut-sided WarblerParulidae141980+107%1977
Blue JayCorvidae111980+212%1977
Black-capped ChickadeeParidae111980+20%1977
Mourning DoveColumbidae111980+100%1977
Chipping SparrowPasserellidae101980+67%1977
Rock PigeonColumbidae101980n/an/a
Field SparrowPasserellidae81977+300%1971
Eastern KingbirdTyrannidae71980-12%1977
House SparrowPasseridae71980+0%1972
Rose-breasted GrosbeakCardinalidae71980+233%1978
Red-breasted NuthatchSittidae71980-50%1977
Least FlycatcherTyrannidae61980+22%1977
Baltimore OrioleIcteridae51980+360%1977
Black-and-white WarblerParulidae51980+14%1977
Brown ThrasherMimidae51980-18%1977
Grasshopper SparrowPasserellidae51978n/an/a

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