BBS Route · Iowa · BCR 22

Wales Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 42 survey years, still active.

Bird Species Found on Iowa Wales

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Wales 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 BlackbirdIcteridae1522018-22%1969
DickcisselCardinalidae1162018+7%1969
Northern BobwhiteOdontophoridae792018+764%1969
Mourning DoveColumbidae592018-12%1969
Ring-necked PheasantPhasianidae502018+54%1969
Cliff SwallowHirundinidae45201818×2001
American RobinTurdidae392018+167%1969
Common YellowthroatParulidae372018+9%1969
Brown-headed CowbirdIcteridae272018+40%1969
KilldeerCharadriidae212018+920%1974
Western MeadowlarkIcteridae162018-33%1981
House SparrowPasseridae152018-84%1969
Indigo BuntingCardinalidae142018-13%1970
Eastern MeadowlarkIcteridae132018-86%1971
Double-crested CormorantPhalacrocoracidae131991n/an/a
Barn SwallowHirundinidae112018-62%1969
Common NighthawkCaprimulgidae11201311×2001
Red-headed WoodpeckerPicidae102018-50%1969
American GoldfinchFringillidae102018-84%1969
Field SparrowPasserellidae102018+71%1969
Gray CatbirdMimidae102018-36%1969
Chipping SparrowPasserellidae102018+117%1991
Song SparrowPasserellidae92018+200%1972
Orchard OrioleIcteridae82018+100%1976
Canada GooseAnatidae82018-50%2014
Blue JayCorvidae72018-42%1969
Northern CardinalCardinalidae72018-33%1969
Brown ThrasherMimidae72018-56%1969
Northern House WrenTroglodytidae72018+4%1969
Great Crested FlycatcherTyrannidae62018+260%1972
Black-capped ChickadeeParidae62016-23%1970
Bank SwallowHirundinidae62018+63%1984
Eastern KingbirdTyrannidae52018-68%1969
American CrowCorvidae52018-51%1969
BobolinkIcteridae52018+15%1973
Upland SandpiperScolopacidae52018+150%1990
Great-tailed GrackleIcteridae52013+400%2007
Eastern Wood-PeweeTyrannidae42018+78%1970
European StarlingSturnidae42018-49%1969
Common GrackleIcteridae42018+68%1969

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