Ferruginous Duck vs Fulvous Colilargo

Aythya nyroca compared with Oligoryzomys fulvescens

Key Differences

• Ferruginous Duck is Not Evaluated while Fulvous Colilargo is Least Concern.

Taxonomic Classification

Rank	Ferruginous Duck	Fulvous Colilargo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Cricetidae
Genus	Aythya	Oligoryzomys
Species	Aythya nyroca	Oligoryzomys fulvescens

Evolutionary Relationship

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

Conservation Status

Ferruginous Duck

NE — Not Evaluated

Fulvous Colilargo

LC — Least Concern

Physical Characteristics

Attribute	Ferruginous Duck	Fulvous Colilargo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ferruginous Duck

Habitat

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

Range

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

Fulvous Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.