Long-billed Curlew vs Slender-billed Curlew

Numenius americanus compared with Numenius tenuirostris

Key Differences

• Long-billed Curlew is Least Concern while Slender-billed Curlew is Critically Endangered.

Taxonomic Classification

Rank	Long-billed Curlew	Slender-billed Curlew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Scolopacidae	Scolopacidae
Genus same	Numenius	Numenius
Species	Numenius americanus	Numenius tenuirostris

Evolutionary Relationship

Long-billed Curlew and Slender-billed Curlew share a common ancestor at the Genus level: Numenius.

Conservation Status

Long-billed Curlew

LC — Least Concern

Slender-billed Curlew

CR — Critically Endangered

Physical Characteristics

Attribute	Long-billed Curlew	Slender-billed Curlew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-billed Curlew

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Slender-billed Curlew

Habitat

Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway