Great Reed Warbler vs Long-tailed Jaeger

Acrocephalus arundinaceus compared with Stercorarius longicaudus

Key Differences

• Great Reed Warbler is Critically Endangered while Long-tailed Jaeger is Least Concern.

Taxonomic Classification

Rank	Great Reed Warbler	Long-tailed Jaeger
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Charadriiformes (Charadriiformes)
Family	Acrocephalidae	Stercorariidae
Genus	Acrocephalus	Stercorarius
Species	Acrocephalus arundinaceus	Stercorarius longicaudus

Evolutionary Relationship

Great Reed Warbler and Long-tailed Jaeger share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Great Reed Warbler

CR — Critically Endangered

Long-tailed Jaeger

LC — Least Concern

Physical Characteristics

Attribute	Great Reed Warbler	Long-tailed Jaeger
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.

Long-tailed Jaeger

Habitat

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

Range

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

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.

Long-tailed Jaeger

Long-tailed Jaeger (Stercorarius longicaudus) 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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden