Lesser Pencil-tailed Tree Mouse vs Ring-necked Duck

Chiropodomys pusillus compared with Aythya collaris

Key Differences

• Lesser Pencil-tailed Tree Mouse is Data Deficient while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Lesser Pencil-tailed Tree Mouse	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	Muridae (Mice & Rats)	Anatidae
Genus	Chiropodomys	Aythya
Species	Chiropodomys pusillus	Aythya collaris

Evolutionary Relationship

Lesser Pencil-tailed Tree Mouse and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Lesser Pencil-tailed Tree Mouse	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Pencil-tailed Tree Mouse

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.