Blue Grosbeak vs small tortoiseshell

Passerina caerulea compared with Aglais urticae

Key Differences

• Blue Grosbeak is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Blue Grosbeak	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	Cardinalidae	Nymphalidae (Brush-footed Butterflies)
Genus	Passerina	Aglais
Species	Passerina caerulea	Aglais urticae

Evolutionary Relationship

Blue Grosbeak and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Grosbeak

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Blue Grosbeak	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Grosbeak

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Colombia, Ecuador).

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.

Blue Grosbeak

Blue Grosbeak (Passerina caerulea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom