Diminutive Serotine vs Greater Scaup

Eptesicus diminutus compared with Aythya marila

Key Differences

• Diminutive Serotine is Data Deficient while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	Diminutive Serotine	Greater Scaup
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 diminutus	Aythya marila

Evolutionary Relationship

Diminutive Serotine and Greater Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Diminutive Serotine

DD — Data Deficient

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	Diminutive Serotine	Greater Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Diminutive Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Greater Scaup

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Greater Scaup

Greater Scaup (Aythya marila) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.