Chatham Petrel vs small tortoiseshell

Pterodroma axillaris compared with Aglais urticae

Key Differences

• Chatham Petrel is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Chatham Petrel	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Procellariiformes (Procellariiformes)	Lepidoptera (Butterflies & Moths)
Family	Procellariidae	Nymphalidae (Brush-footed Butterflies)
Genus	Pterodroma	Aglais
Species	Pterodroma axillaris	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Chatham Petrel

VU — Vulnerable

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Chatham Petrel	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chatham Petrel

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Chatham Petrel

The Chatham Petrel (Pterodroma axillaris) is a species in the genus Pterodroma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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