Ruby-crowned Kinglet

Corthylio calendula

IUCN: Least Concern

Taxonomy

Order
Passeriformes
Family
Regulidae
Genus
Corthylio
eBird Code
ruckin

Subspecies (3)

  • Corthylio calendula calendula

    breeds northern and eastern Canada to northeastern USA; winters to Guatemala, Cuba, and Bahamas

  • Corthylio calendula grinnelli

    breeds coastal Alaska and British Columbia; winters to southern California

  • Corthylio calendula obscurus

    formerly Guadalupe Island (off western Mexico); extinct

Data Sources

Taxonomy data from AviList 2025.