brown argus vs Great Reed Warbler

Aricia agestis compared with Acrocephalus arundinaceus

Key Differences

• brown argus is Least Concern while Great Reed Warbler is Critically Endangered.

Taxonomic Classification

Rank	brown argus	Great Reed Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Passeriformes (Songbirds)
Family	Lycaenidae	Acrocephalidae
Genus	Aricia	Acrocephalus
Species	Aricia agestis	Acrocephalus arundinaceus

Evolutionary Relationship

brown argus and Great Reed Warbler share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brown argus

LC — Least Concern

Great Reed Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	brown argus	Great Reed Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown argus

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (33 countries).

Great Reed Warbler

Habitat

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

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brown argus

brown argus (Aricia agestis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Great Reed Warbler

Great Reed Warbler (Acrocephalus arundinaceus) 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden