Great Reed Warbler vs Marbled Orbweaver

Acrocephalus arundinaceus compared with Araneus marmoreus

Key Differences

• Great Reed Warbler is Critically Endangered while Marbled Orbweaver is Least Concern.

Taxonomic Classification

Rank	Great Reed Warbler	Marbled Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Arachnida (Arachnids)
Order	Passeriformes (Songbirds)	Araneae (Araneae)
Family	Acrocephalidae	Araneidae
Genus	Acrocephalus	Araneus
Species	Acrocephalus arundinaceus	Araneus marmoreus

Evolutionary Relationship

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

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Marbled Orbweaver

LC — Least Concern

Physical Characteristics

Attribute	Great Reed Warbler	Marbled Orbweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Marbled Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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 🇳🇴 Norway 🇸🇪 Sweden