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Passeriformes / Regulidae / Corthylio

Ruby-crowned Kinglet

Corthylio calendula

IUCN: Least Concern

Data Sources

AviList 2025 eBird (ruckin) Avibase

Taxonomy data from AviList 2025.

Taxonomy

Order: Passeriformes
Family: Regulidae
Genus: Corthylio

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

AviList 2025 eBird (ruckin) Avibase

Taxonomy data from AviList 2025.