Chestnut Teal vs Laysan Duck

Anas castanea compared with Anas laysanensis

Key Differences

Chestnut Teal is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Chestnut Teal	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Anseriformes (Anseriformes)	Anseriformes (Anseriformes)
Family same	Anatidae	Anatidae
Genus same	Anas	Anas
Species	Anas castanea	Anas laysanensis

Evolutionary Relationship

Chestnut Teal and Laysan Duck share a common ancestor at the Genus level: Anas.

View Genus: Anas

Conservation Status

Chestnut Teal

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Chestnut Teal	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Teal

Habitat

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

Range

Found across Europe (8 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.

Chestnut Teal

Chestnut Teal (Anas castanea) 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.

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.