Amazonian Marsh Rat vs Laysanstockente

Holochilus sciureus compared with Anas laysanensis

Key Differences

• Amazonian Marsh Rat is Least Concern while Laysanstockente is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Laysanstockente
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Mammalia (Säugetiere)	Aves (Vögel)
Order	Rodentia (Nagetiere)	Anseriformes (Gänsevögel)
Family	Cricetidae	Anatidae
Genus	Holochilus	Anas
Species	Holochilus sciureus	Anas laysanensis

Evolutionary Relationship

Amazonian Marsh Rat and Laysanstockente share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Laysanstockente

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Laysanstockente
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Laysanstockente

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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Laysanstockente

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.