New World Sparrows in Colorado
Our list for Colorado has 10 new world sparrows recorded regularly there: 1 resident, 5 summer visitors, 3 winter visitors and 1 passage migrant
Most likely in October
GBIF · OctShare of all bird records in Colorado in October, 2019–2024. Each month links to that month’s page.
All 10, most common first
White-crowned SparrowZonotrichia leucophrysWinter visitorCommon15–16 cmRecorded all year
Song SparrowMelospiza melodiaResidentCommon12–17 cmRecorded all year
Chipping SparrowSpizella passerinaSummer visitorCommon12–15 cmRegularly Apr–Oct
American Tree SparrowSpizelloides arboreaWinter visitorCommon14–17 cmRegularly Oct–Mar
Vesper SparrowPooecetes gramineusSummer visitorCommon13–17 cmRegularly Apr–Oct
Lark SparrowChondestes grammacusSummer visitorCommon15–17 cmRegularly Apr–Sep
Lincoln's SparrowMelospiza lincolniiSummer visitorCommon13–15 cmRegularly Mar–Dec
Clay-colored SparrowSpizella pallidaPassage migrantUncommon13–15 cmRegularly May–Oct
Fox SparrowPasserella iliacaSummer visitorUncommon15–19 cmRecorded all year
Swamp SparrowMelospiza georgianaWinter visitorUncommon12–15 cmRegularly Oct–Apr
Smallest to largest
Length, cmData: 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