BirdAnalyst
BBS Route · Iowa · BCR 22

Bedford Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 43 survey years, still active.

97Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
6Observers

Bird Species Found on Iowa Bedford

Top 40 of 97 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 BlackbirdIcteridae1022025-59%1970
DickcisselCardinalidae592025-28%1970
Common YellowthroatParulidae492025-27%1970
Ring-necked PheasantPhasianidae372025+42%1970
American RobinTurdidae342025-21%1970
Mourning DoveColumbidae332025-62%1970
Northern BobwhiteOdontophoridae262025+16%1970
Song SparrowPasserellidae26202517×1974
Canada GooseAnatidae232025-20%2009
Eastern MeadowlarkIcteridae222025-79%1971
Gray CatbirdMimidae182025+174%1970
Northern House WrenTroglodytidae172025-47%1970
American CrowCorvidae162025+34%1970
Barn SwallowHirundinidae162025-33%1970
Brown-headed CowbirdIcteridae142025+41%1970
Western MeadowlarkIcteridae132025-54%1981
Northern CardinalCardinalidae122025-77%1970
Turkey VultureCathartidae122025+469%1988
House SparrowPasseridae112025-88%1970
Indigo BuntingCardinalidae92025+44%1970
Gray PartridgePhasianidae91989n/an/a
Yellow-billed CuckooCuculidae82018-9%1970
Rose-breasted GrosbeakCardinalidae82025+140%1970
KilldeerCharadriidae72025+61%1970
Blue JayCorvidae72025+50%1970
American GoldfinchFringillidae72025-83%1970
Brown ThrasherMimidae72025-58%1970
Chipping SparrowPasserellidae72025+333%1992
Wild TurkeyPhasianidae72018+138%2001
Eastern KingbirdTyrannidae62025-38%1970
BobolinkIcteridae62025+269%1971
Grasshopper SparrowPasserellidae62025-26%1970
Field SparrowPasserellidae62025-41%1970
Purple MartinHirundinidae61988+43%1970
Great Crested FlycatcherTyrannidae52025+500%1973
Marsh WrenTroglodytidae52025n/an/a
Red-bellied WoodpeckerPicidae42025+75%1972
European StarlingSturnidae42025-74%1970
Eastern TowheePasserellidae42025+25%1976
Warbling VireoVireonidae42025-40%1975

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