Greater Scaup vs Isabelle's Serotine

Aythya marila compared with Eptesicus isabellinus

Key Differences

• Greater Scaup is Vulnerable while Isabelle's Serotine is Least Concern.

Taxonomic Classification

Rank	Greater Scaup	Isabelle's Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Vespertilionidae
Genus	Aythya	Eptesicus
Species	Aythya marila	Eptesicus isabellinus

Evolutionary Relationship

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

Conservation Status

Greater Scaup

VU — Vulnerable

Isabelle's Serotine

LC — Least Concern

Physical Characteristics

Attribute	Greater Scaup	Isabelle's Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Isabelle's Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.