Harmless Serotine vs Ring-necked Duck

Eptesicus innoxius compared with Aythya collaris

Key Differences

• Harmless Serotine is Near Threatened while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Ring-necked Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Vespertilionidae	Anatidae
Genus	Eptesicus	Aythya
Species	Eptesicus innoxius	Aythya collaris

Evolutionary Relationship

Harmless Serotine and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Harmless Serotine

NT — Near Threatened

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador