Grebes in Iowa
Our list for Iowa has 4 grebes recorded regularly there: 1 summer visitor and 3 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Iowa in October, 2019–2024. Each month links to that month’s page.
All 4, most common first
Pied-billed GrebePodilymbus podicepsSummer visitorCommon31–38 cmRegularly Mar–Dec
Horned GrebePodiceps auritusPassage migrantUncommon31–38 cmRegularly Oct–Apr
Black-necked GrebePodiceps nigricollisPassage migrantRare28–34 cmRegularly Apr–Nov
Red-necked GrebePodiceps grisegenaPassage migrantRare40–50 cmRegularly Apr–Nov
Smallest to largest
Length, cmBody length, bill to tail. Rare birds in grey.
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made