BirdAnalyst
BBS Route · Iowa · BCR 22

Gaza Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 50 survey years, still active.

89Species 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 →
50Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2023Span
3Observers

Bird Species Found on Iowa Gaza

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Gaza 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 BlackbirdIcteridae952023+11%1973
Common GrackleIcteridae872023+1%1973
American RobinTurdidae742023+294%1973
House SparrowPasseridae682023+22%1973
DickcisselCardinalidae572023-19%1973
KilldeerCharadriidae522023+758%1973
Rock PigeonColumbidae382023-35%1973
Brown-headed CowbirdIcteridae382023+77%1973
European StarlingSturnidae332023-62%1973
Barn SwallowHirundinidae332023-20%1973
Ring-necked PheasantPhasianidae222023-54%1973
Mourning DoveColumbidae172023-28%1973
Cliff SwallowHirundinidae172023+44%1992
Northern House WrenTroglodytidae142023+390%1973
Upland SandpiperScolopacidae102023+633%1980
Western MeadowlarkIcteridae72023-95%1973
Vesper SparrowPasserellidae72023-42%1973
Common YellowthroatParulidae72023-37%1973
Blue GrosbeakCardinalidae72023+333%1977
Cedar WaxwingBombycillidae62004n/an/a
Canada GooseAnatidae52018+33%2002
Red-headed WoodpeckerPicidae42023-68%1973
Chimney SwiftApodidae42018+14%1973
American GoldfinchFringillidae42023-35%1973
Gray PartridgePhasianidae32015-39%1973
BobolinkIcteridae32023-82%1973
Great Blue HeronArdeidae32022+20%2002
Savannah SparrowPasserellidae32013+133%1991
Sedge WrenTroglodytidae32019-17%2009
Eurasian Collared-DoveColumbidae32023+300%2019
Eastern KingbirdTyrannidae22023-84%1973
Horned LarkAlaudidae22023-85%1973
Blue JayCorvidae22023-75%1973
Song SparrowPasserellidae22023-89%1973
Purple MartinHirundinidae21983+0%1977
Brown ThrasherMimidae22023-67%1973
Warbling VireoVireonidae22023+0%2015
Red-bellied WoodpeckerPicidae21977n/an/a
Great Crested FlycatcherTyrannidae22021+0%1990
Green HeronArdeidae22001+100%1983

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