Greater Scaup vs Large Short-tailed Rat

Aythya marila compared with Brachyuromys ramirohitra

Key Differences

• Greater Scaup is Vulnerable while Large Short-tailed Rat is Least Concern.

Taxonomic Classification

Rank	Greater Scaup	Large Short-tailed Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Nesomyidae
Genus	Aythya	Brachyuromys
Species	Aythya marila	Brachyuromys ramirohitra

Evolutionary Relationship

Greater Scaup and Large Short-tailed Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Greater Scaup

VU — Vulnerable

Large Short-tailed Rat

LC — Least Concern

Physical Characteristics

Attribute	Greater Scaup	Large Short-tailed Rat
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.

Large Short-tailed Rat

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.