Greater Scaup vs Peruvian Laucha

Aythya marila compared with Calomys sorellus

Key Differences

• Greater Scaup is Vulnerable while Peruvian Laucha is Least Concern.

Taxonomic Classification

Rank	Greater Scaup	Peruvian Laucha
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Cricetidae
Genus	Aythya	Calomys
Species	Aythya marila	Calomys sorellus

Evolutionary Relationship

Greater Scaup and Peruvian Laucha share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Greater Scaup

VU — Vulnerable

Peruvian Laucha

LC — Least Concern

Physical Characteristics

Attribute	Greater Scaup	Peruvian Laucha
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greater Scaup

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Peruvian Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Greater Scaup

Greater Scaup (Aythya marila) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.