Peruvian Laucha vs Ring-necked Duck

Calomys sorellus compared with Aythya collaris

Taxonomic Classification

Rank	Peruvian Laucha	Ring-necked Duck
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Anseriformes (อันดับห่าน)
Family	Cricetidae	Anatidae
Genus	Calomys	Aythya
Species	Calomys sorellus	Aythya collaris

Evolutionary Relationship

Peruvian Laucha and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Peruvian Laucha

LC — Least Concern

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Peruvian Laucha	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Peruvian Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ring-necked Duck

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Ring-necked Duck

Ring-necked Duck (Aythya collaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.