Great Reed Warbler vs Ruby-Crowned Kinglet

Acrocephalus arundinaceus compared with Regulus calendula

Key Differences

• Great Reed Warbler is Critically Endangered while Ruby-Crowned Kinglet is Least Concern.

Taxonomic Classification

Rank	Great Reed Warbler	Ruby-Crowned Kinglet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Passeriformes (Songbirds)	Passeriformes (Songbirds)
Family	Acrocephalidae	Regulidae
Genus	Acrocephalus	Regulus
Species	Acrocephalus arundinaceus	Regulus calendula

Evolutionary Relationship

Great Reed Warbler and Ruby-Crowned Kinglet share a common ancestor at the Order level: Passeriformes. (Songbirds)

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Ruby-Crowned Kinglet

LC — Least Concern

Physical Characteristics

Attribute	Great Reed Warbler	Ruby-Crowned Kinglet
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.

Ruby-Crowned Kinglet

Habitat

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

Range

Distributed across Norway and 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 1 countries:

🇳🇴 Norway