Black Stork vs Laysan Duck

Ciconia nigra compared with Anas laysanensis

Key Differences

Black Stork is Extinct while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Black Stork	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Ciconiiformes (Ciconiiformes)	Anseriformes (Anseriformes)
Family	Ciconiidae	Anatidae
Genus	Ciconia	Anas
Species	Ciconia nigra	Anas laysanensis

Evolutionary Relationship

Black Stork and Laysan Duck share a common ancestor at the Class level: Aves. (Birds)

View Class: Aves

Conservation Status

Black Stork

EX — Extinct

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Black Stork	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Stork

Habitat

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

Range

Found across Asia (Taiwan) and Europe (10 countries).

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.

Black Stork

Black Stork (Ciconia nigra) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.

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.