Gadwall vs Great Reed Warbler

Mareca strepera compared with Acrocephalus arundinaceus

Key Differences

• Gadwall is Least Concern while Great Reed Warbler is Critically Endangered.

Taxonomic Classification

Rank	Gadwall	Great Reed Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Passeriformes (Songbirds)
Family	Anatidae	Acrocephalidae
Genus	Mareca	Acrocephalus
Species	Mareca strepera	Acrocephalus arundinaceus

Evolutionary Relationship

Gadwall and Great Reed Warbler share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Gadwall

LC — Least Concern

Great Reed Warbler

CR — Critically Endangered

Physical Characteristics

Attribute	Gadwall	Great Reed Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gadwall

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

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.

Gadwall

Gadwall (Mareca strepera) 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 🇳🇴 Norway 🇸🇪 Sweden