Isarog Shrew Mouse vs Ring-necked Duck

Archboldomys luzonensis compared with Aythya collaris

Key Differences

• Isarog Shrew Mouse is Vulnerable while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Isarog Shrew 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	Archboldomys	Aythya
Species	Archboldomys luzonensis	Aythya collaris

Evolutionary Relationship

Isarog Shrew Mouse and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Isarog Shrew Mouse

VU — Vulnerable

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Isarog Shrew Mouse	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Isarog Shrew 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.