Laysanstockente vs Kampfläufer

Anas laysanensis compared with Calidris pugnax

Key Differences

• Laysanstockente is Critically Endangered while Kampfläufer is Least Concern.

Taxonomic Classification

Rank	Laysanstockente	Kampfläufer
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Aves (Vögel)	Aves (Vögel)
Order	Anseriformes (Gänsevögel)	Charadriiformes (Regenpfeiferartige)
Family	Anatidae	Scolopacidae
Genus	Anas	Calidris
Species	Anas laysanensis	Calidris pugnax

Evolutionary Relationship

Laysanstockente and Kampfläufer share a common ancestor at the Class level: Aves. (Vögel)

Conservation Status

Laysanstockente

CR — Critically Endangered

Kampfläufer

LC — Least Concern

Physical Characteristics

Attribute	Laysanstockente	Kampfläufer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Laysanstockente

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.

Kampfläufer

Habitat

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

Range

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

Laysanstockente

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.

Kampfläufer

Ruff (Calidris pugnax) 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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway