Calamian Deer vs Ferruginous Duck

Axis calamianensis compared with Aythya nyroca

Key Differences

• Calamian Deer is Endangered while Ferruginous Duck is Not Evaluated.

Taxonomic Classification

Rank	Calamian Deer	Ferruginous Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Anseriformes (Anseriformes)
Family	Cervidae (Deer)	Anatidae
Genus	Axis	Aythya
Species	Axis calamianensis	Aythya nyroca

Evolutionary Relationship

Calamian Deer and Ferruginous Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Calamian Deer

EN — Endangered

Ferruginous Duck

NE — Not Evaluated

Physical Characteristics

Attribute	Calamian Deer	Ferruginous Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calamian Deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

Calamian Deer

The Calamian Deer (Axis calamianensis) is a species in the genus Axis. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.