Crested Auklet vs small tortoiseshell

Aethia cristatella compared with Aglais urticae

Key Differences

• Crested Auklet is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Crested Auklet	small tortoiseshell
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Arthropoda (مفصليات الأرجل)
Class	Aves (طيور)	Insecta (حشرات)
Order	Charadriiformes (إفجيجيات)	Lepidoptera (حرشفيات الأجنحة)
Family	Alcidae	Nymphalidae (Brush-footed Butterflies)
Genus	Aethia	Aglais
Species	Aethia cristatella	Aglais urticae

Evolutionary Relationship

Crested Auklet and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Crested Auklet

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Crested Auklet	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crested Auklet

Habitat

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

Range

Distributed across Norway and United Kingdom.

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 2 countries:

🇳🇴 Norway 🇬🇧 United Kingdom