Blyth's Reed Warbler vs large tortoiseshell

Acrocephalus dumetorum compared with Nymphalis polychloros

Key Differences

• Blyth's Reed Warbler is Near Threatened while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	Blyth's Reed Warbler	large tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Passeriformes (Songbirds)	Lepidoptera (Butterflies & Moths)
Family	Acrocephalidae	Nymphalidae (Brush-footed Butterflies)
Genus	Acrocephalus	Nymphalis
Species	Acrocephalus dumetorum	Nymphalis polychloros

Evolutionary Relationship

Blyth's Reed Warbler and large tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blyth's Reed Warbler

NT — Near Threatened

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	Blyth's Reed Warbler	large tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blyth's Reed Warbler

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blyth's Reed Warbler

The Blyth's Reed Warbler (Acrocephalus dumetorum) is a species in the genus Acrocephalus. It is currently classified as Near Threatened on the IUCN Red List. Found across Asia (Taiwan) and Europe (5 countries).

large tortoiseshell

large tortoiseshell (Nymphalis polychloros) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 5 countries:

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