BirdAnalyst
BBS Route · Iowa · BCR 22

Bedford Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 42 survey years, still active.

96Species 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 →
42Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2018Span
5Observers

Bird Species Found on Iowa Bedford

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Bedford 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-winged BlackbirdIcteridae1802018-54%1970
DickcisselCardinalidae1462018-21%1970
Northern BobwhiteOdontophoridae792018+50%1970
Mourning DoveColumbidae562018-59%1970
Turkey VultureCathartidae542018+438%1988
Common YellowthroatParulidae482018-39%1970
House SparrowPasseridae452018-82%1970
Brown-headed CowbirdIcteridae382018+114%1970
Eastern MeadowlarkIcteridae332018-80%1971
Ring-necked PheasantPhasianidae322018+36%1970
American CrowCorvidae272018+75%1970
American RobinTurdidae222018-21%1970
Barn SwallowHirundinidae202018-13%1970
Gray CatbirdMimidae192018+195%1970
Western MeadowlarkIcteridae192018-37%1981
BobolinkIcteridae172018+400%1971
Song SparrowPasserellidae16201817×1974
Grasshopper SparrowPasserellidae152018-12%1970
Brown ThrasherMimidae152018-40%1970
Blue JayCorvidae122018+56%1970
KilldeerCharadriidae112018+89%1970
Indigo BuntingCardinalidae112018+81%1970
Eastern KingbirdTyrannidae102018-35%1970
Canada GooseAnatidae102018-26%2009
Gray PartridgePhasianidae91989n/an/a
Yellow-billed CuckooCuculidae82018-9%1970
Great Crested FlycatcherTyrannidae82018+400%1973
Eastern PhoebeTyrannidae82018-13%1970
Northern House WrenTroglodytidae72018-38%1970
Baltimore OrioleIcteridae72018-29%1971
Wild TurkeyPhasianidae72018+138%2001
Eastern Wood-PeweeTyrannidae62018+100%1972
Field SparrowPasserellidae62018-41%1970
Purple MartinHirundinidae61988+43%1970
Sedge WrenTroglodytidae62018+140%2002
American GoldfinchFringillidae52018-83%1970
Northern CardinalCardinalidae52018-89%1970
Red-headed WoodpeckerPicidae42018-76%1970
Common GrackleIcteridae42018-81%1970
Wood ThrushTurdidae41992n/an/a

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