BirdAnalyst
BBS Route · Minnesota · BCR 12

Bena Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 2 survey years, no longer active.

68Species 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 →
2Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1977Span
2Observers

Bird Species Found on Minnesota Bena

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Bena 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 VireoVireonidae761977+90%1967
Red-winged BlackbirdIcteridae531977+83%1967
Purple MartinHirundinidae351977+169%1967
Least FlycatcherTyrannidae341977+31%1967
VeeryTurdidae341977+48%1967
OvenbirdParulidae331977-20%1967
Chestnut-sided WarblerParulidae25197713×1967
Bank SwallowHirundinidae201967n/an/a
Blue JayCorvidae161977+220%1967
American CrowCorvidae151977-29%1967
Brown-headed CowbirdIcteridae151977-50%1967
Chipping SparrowPasserellidae151977+7%1967
Cliff SwallowHirundinidae151977n/an/a
Eastern Wood-PeweeTyrannidae121977+100%1967
Common YellowthroatParulidae121977+0%1967
American RobinTurdidae121977+9%1967
Song SparrowPasserellidae111977+38%1967
Cedar WaxwingBombycillidae101977-41%1967
Yellow WarblerParulidae101977-33%1967
American RedstartParulidae91977-18%1967
Common GrackleIcteridae81977+14%1967
Mourning DoveColumbidae71977n/an/a
American GoldfinchFringillidae51977+400%1967
Tree SwallowHirundinidae51967n/an/a
Evening GrosbeakFringillidae51977n/an/a
Nashville WarblerParulidae51977n/an/a
Blackburnian WarblerParulidae51977n/an/a
Mourning WarblerParulidae51977n/an/a
Black TernLaridae41977+0%1967
Eastern KingbirdTyrannidae41977+100%1967
Great Crested FlycatcherTyrannidae41977-75%1967
White-throated SparrowPasserellidae41977+100%1967
Black-throated Green WarblerParulidae41977+0%1967
Common LoonGaviidae31967n/an/a
Yellow-bellied SapsuckerPicidae31977+50%1967
Chimney SwiftApodidae31967n/an/a
Rose-breasted GrosbeakCardinalidae31977+0%1967
Warbling VireoVireonidae31967n/an/a
Northern ParulaParulidae31977+200%1967
Alder FlycatcherTyrannidae31977n/an/a

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