Iolas Blue vs Laysan Duck

Iolana debilitata compared with Anas laysanensis

Key Differences

• Iolas Blue is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Iolas Blue	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Lycaenidae	Anatidae
Genus	Iolana	Anas
Species	Iolana debilitata	Anas laysanensis

Evolutionary Relationship

Iolas Blue and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Iolas Blue

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Iolas Blue	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Iolas Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Spain.

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.

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.