Brown-headed Gull vs small tortoiseshell

Chroicocephalus brunnicephalus compared with Aglais urticae

Key Differences

• Brown-headed Gull is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Brown-headed Gull	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Charadriiformes (Charadriiformes)	Lepidoptera (Butterflies & Moths)
Family	Laridae	Nymphalidae (Brush-footed Butterflies)
Genus	Chroicocephalus	Aglais
Species	Chroicocephalus brunnicephalus	Aglais urticae

Evolutionary Relationship

Brown-headed Gull and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown-headed Gull

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Brown-headed Gull	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown-headed Gull

Habitat

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

Range

Distributed across Norway and Taiwan.

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.

Brown-headed Gull

The Brown-headed Gull (Chroicocephalus brunnicephalus) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments. Distributed across Norway and Taiwan.

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