Laysan Duck vs Little Black Serotine

Anas laysanensis compared with Eptesicus andinus

Key Differences

• Laysan Duck is Critically Endangered while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Little Black Serotine
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Anseriformes (อันดับห่าน)	Chiroptera (ค้างคาว)
Family	Anatidae	Vespertilionidae
Genus	Anas	Eptesicus
Species	Anas laysanensis	Eptesicus andinus

Evolutionary Relationship

Laysan Duck and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Laysan Duck

CR — Critically Endangered

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Little Black Serotine
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.

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.