small tortoiseshell vs Wood Warbler

Aglais urticae compared with Phylloscopus sibillatrix

Key Differences

• small tortoiseshell is Near Threatened while Wood Warbler is Vulnerable.

Taxonomic Classification

Rank	small tortoiseshell	Wood Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Passeriformes (Songbirds)
Family	Nymphalidae (Brush-footed Butterflies)	Phylloscopidae
Genus	Aglais	Phylloscopus
Species	Aglais urticae	Phylloscopus sibillatrix

Evolutionary Relationship

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

Conservation Status

small tortoiseshell

NT — Near Threatened

Wood Warbler

VU — Vulnerable

Physical Characteristics

Attribute	small tortoiseshell	Wood Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Wood Warbler

Habitat

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

Range

Found across Asia (Taiwan) and Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Wood Warbler

Wood Warbler (Phylloscopus sibillatrix) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden