BirdAnalyst
BBS Route · Iowa · BCR 22

Gaza Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 51 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 →
51Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2025Span
4Observers

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 BlackbirdIcteridae842025+3%1973
American RobinTurdidae702025+259%1973
Rock PigeonColumbidae552025+44%1973
Common GrackleIcteridae552025-10%1973
KilldeerCharadriidae382025+942%1973
Barn SwallowHirundinidae332025-25%1973
House SparrowPasseridae322025+12%1973
Ring-necked PheasantPhasianidae252025-54%1973
Mourning DoveColumbidae252025-21%1973
Brown-headed CowbirdIcteridae252025+54%1973
DickcisselCardinalidae232025-35%1973
Cliff SwallowHirundinidae192025+117%1992
Common YellowthroatParulidae122025-41%1973
European StarlingSturnidae112025-57%1973
Upland SandpiperScolopacidae112025+800%1980
Red-headed WoodpeckerPicidae92025-46%1973
American GoldfinchFringillidae82025-20%1973
Vesper SparrowPasserellidae82025-55%1973
Baltimore OrioleIcteridae72025+50%1973
Song SparrowPasserellidae72025-82%1973
Eurasian Collared-DoveColumbidae72025+114%2021
Northern House WrenTroglodytidae62025+270%1973
Blue GrosbeakCardinalidae62025+500%1977
Cedar WaxwingBombycillidae62004n/an/a
Canada GooseAnatidae52018+33%2002
Chimney SwiftApodidae42018+14%1973
Blue JayCorvidae42025-67%1973
American CrowCorvidae42025-87%1973
Gray PartridgePhasianidae32015-39%1973
BobolinkIcteridae32025-84%1973
Western MeadowlarkIcteridae32025-96%1973
Savannah SparrowPasserellidae32013+133%1991
Sedge WrenTroglodytidae32019-17%2009
Purple MartinHirundinidae21983+0%1977
Brown ThrasherMimidae22025-67%1973
Yellow WarblerParulidae22025+67%2008
Red-bellied WoodpeckerPicidae21977n/an/a
Great Crested FlycatcherTyrannidae22021+0%1990
Green HeronArdeidae22001+100%1983
Ruby-throated HummingbirdTrochilidae22004+100%1998

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