Long-tailed Dwarf Hamster vs Ring-necked Duck

Cricetulus longicaudatus compared with Aythya collaris

Taxonomic Classification

Rank	Long-tailed Dwarf Hamster	Ring-necked Duck
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	Cricetulus	Aythya
Species	Cricetulus longicaudatus	Aythya collaris

Evolutionary Relationship

Long-tailed Dwarf Hamster and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Long-tailed Dwarf Hamster

LC — Least Concern

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Long-tailed Dwarf Hamster	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-tailed Dwarf Hamster

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.