Namdapha Flying Squirrel vs Ring-necked Duck

Biswamoyopterus biswasi compared with Aythya collaris

Key Differences

• Namdapha Flying Squirrel is Critically Endangered while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Namdapha Flying Squirrel	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	Sciuridae (Squirrels)	Anatidae
Genus	Biswamoyopterus	Aythya
Species	Biswamoyopterus biswasi	Aythya collaris

Evolutionary Relationship

Namdapha Flying Squirrel and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Namdapha Flying Squirrel

CR — Critically Endangered

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Namdapha Flying Squirrel	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Namdapha Flying Squirrel

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.