Gray Flying Fox vs Greater Scaup

Pteropus griseus compared with Aythya marila

Taxonomic Classification

Rank	Gray Flying Fox	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	Pteropodidae (Fruit Bats)	Anatidae
Genus	Pteropus (Flying Foxes)	Aythya
Species	Pteropus griseus	Aythya marila

Evolutionary Relationship

Gray Flying Fox and Greater Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray Flying Fox

VU — Vulnerable

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	Gray Flying Fox	Greater Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.