Corrugated Salamander vs Laysan Duck

Isthmura corrugata compared with Anas laysanensis

Taxonomic Classification

Rank	Corrugated Salamander	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Aves (Birds)
Order	Caudata (Caudata)	Anseriformes (Anseriformes)
Family	Plethodontidae	Anatidae
Genus	Isthmura	Anas
Species	Isthmura corrugata	Anas laysanensis

Evolutionary Relationship

Corrugated Salamander and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Corrugated Salamander

CR — Critically Endangered

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Corrugated Salamander	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Corrugated Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

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.