Lesser Yellow-shouldered Bat vs Red-breasted Merganser

Sturnira nana compared with Mergus serrator

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while Red-breasted Merganser is Least Concern.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	Red-breasted Merganser
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Phyllostomidae	Anatidae
Genus	Sturnira	Mergus
Species	Sturnira nana	Mergus serrator

Evolutionary Relationship

Lesser Yellow-shouldered Bat and Red-breasted Merganser share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

Red-breasted Merganser

LC — Least Concern

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	Red-breasted Merganser
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-breasted Merganser

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).

Red-breasted Merganser

Red-breasted Merganser (Mergus serrator) 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.