Laysan Duck vs Rough-faced shag

Anas laysanensis compared with Leucocarbo carunculatus

Key Differences

• Laysan Duck is Critically Endangered while Rough-faced shag is Vulnerable.

Taxonomic Classification

Rank	Laysan Duck	Rough-faced shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Suliformes (Suliformes)
Family	Anatidae	Phalacrocoracidae
Genus	Anas	Leucocarbo
Species	Anas laysanensis	Leucocarbo carunculatus

Evolutionary Relationship

Laysan Duck and Rough-faced shag share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Laysan Duck

CR — Critically Endangered

Rough-faced shag

VU — Vulnerable

Physical Characteristics

Attribute	Laysan Duck	Rough-faced shag
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Rough-faced shag

Habitat

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

Laysan Duck

Laysan Duck (Anas laysanensis) 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.