Caatinga laucha vs Surf Scoter

Calomys expulsus compared with Melanitta perspicillata

Key Differences

• Caatinga laucha is Least Concern while Surf Scoter is Not Evaluated.

Taxonomic Classification

Rank	Caatinga laucha	Surf Scoter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Cricetidae	Anatidae
Genus	Calomys	Melanitta
Species	Calomys expulsus	Melanitta perspicillata

Evolutionary Relationship

Caatinga laucha and Surf Scoter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caatinga laucha

LC — Least Concern

Surf Scoter

NE — Not Evaluated

Physical Characteristics

Attribute	Caatinga laucha	Surf Scoter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Surf Scoter

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Caatinga laucha

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.