Big eye chimaera vs Laysan Duck

Hydrolagus macrophthalmus compared with Anas laysanensis

Key Differences

• Big eye chimaera is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Big eye chimaera	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Aves (Birds)
Order	Chimaeriformes (Chimaeriformes)	Anseriformes (Anseriformes)
Family	Chimaeridae	Anatidae
Genus	Hydrolagus	Anas
Species	Hydrolagus macrophthalmus	Anas laysanensis

Evolutionary Relationship

Big eye chimaera and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye chimaera

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Big eye chimaera	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye chimaera

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

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.

Big eye chimaera

The Big eye chimaera (Hydrolagus macrophthalmus) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.