Ruby-Crowned Kinglet vs small tortoiseshell

Regulus calendula compared with Aglais urticae

Key Differences

• Ruby-Crowned Kinglet is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Ruby-Crowned Kinglet	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Passeriformes (Songbirds)	Lepidoptera (Butterflies & Moths)
Family	Regulidae	Nymphalidae (Brush-footed Butterflies)
Genus	Regulus	Aglais
Species	Regulus calendula	Aglais urticae

Evolutionary Relationship

Ruby-Crowned Kinglet and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Ruby-Crowned Kinglet

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Ruby-Crowned Kinglet	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ruby-Crowned Kinglet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and United States.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway