New World Warblers in California
Our list for California has 19 new world warblers recorded regularly there: 2 residents, 4 summer visitors, 7 winter visitors and 6 passage migrants
Most likely in October
GBIF · OctShare of all bird records in California in October, 2019–2024. Each month links to that month’s page.
All 19, most common first
Yellow-rumped WarblerSetophaga coronataWinter visitorCommon12–15 cmRecorded all year
Orange-crowned WarblerLeiothlypis celataResidentCommon11–14 cmRecorded all year
Northern Yellow WarblerSetophaga aestivaSummer visitorCommon12–13 cmRegularly Apr–Oct
Common YellowthroatGeothlypis trichasResidentCommon11–13 cmRecorded all year
Nashville WarblerLeiothlypis ruficapillaSummer visitorUncommon11–13 cmRegularly Apr–Jan
Palm WarblerSetophaga palmarumWinter visitorRare12–14 cmRegularly Sep–Apr
Chestnut-sided WarblerSetophaga pensylvanicaWinter visitorRare10–14 cmRegularly Jun–Mar
Tennessee WarblerLeiothlypis peregrinaWinter visitorRare10–13 cmRegularly Sep–Jun
American RedstartSetophaga ruticillaSummer visitorRare11–14 cmRecorded all year
Blackpoll WarblerSetophaga striataPassage migrantRare13–15 cmRegularly Sep–Oct
Northern WaterthrushParkesia noveboracensisWinter visitorRare12–15 cmRegularly May–Feb
Black-throated Blue WarblerSetophaga caerulescensPassage migrantRare11–13 cmRegularly Sep–Nov
Magnolia WarblerSetophaga magnoliaPassage migrantRare11–13 cmRegularly May–Jan
OvenbirdSeiurus aurocapillaSummer visitorRare12–15 cmRegularly May–Feb
Prothonotary WarblerProtonotaria citreaPassage migrantRare13–14 cmRegularly May–Oct
Bay-breasted WarblerSetophaga castaneaPassage migrantRare14–14 cmRegularly May–Dec
Black-throated Green WarblerSetophaga virensWinter visitorRare11–12 cmRegularly Sep–May
Cape May WarblerSetophaga tigrinaWinter visitorRare12–14 cmRegularly Oct–Jun
Mourning WarblerGeothlypis philadelphiaPassage migrantRare10–15 cmRegularly Jun–Oct
Smallest to largest
Length, cm- Tennessee Warbler 10–13 cm
- Black-throated Green Warbler 11–12 cm
- Common Yellowthroat 11–13 cm
- Nashville Warbler 11–13 cm
- Chestnut-sided Warbler 10–14 cm
- Black-throated Blue Warbler 11–13 cm
- Magnolia Warbler 11–13 cm
- Orange-crowned Warbler 11–14 cm
- Northern Yellow Warbler 12–13 cm
- American Redstart 11–14 cm
- Mourning Warbler 10–15 cm
- Palm Warbler 12–14 cm
- Cape May Warbler 12–14 cm
- Yellow-rumped Warbler 12–15 cm
- Northern Waterthrush 12–15 cm
- Ovenbird 12–15 cm
- Prothonotary Warbler 13–14 cm
- Blackpoll Warbler 13–15 cm
- Bay-breasted Warbler 14–14 cm
Body 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