Comb Duck vs Gray-footed Spiny-rat

Sarkidiornis melanotos compared with Proechimys poliopus

Key Differences

• Comb Duck is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Comb Duck	Gray-footed Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Echimyidae
Genus	Sarkidiornis	Proechimys
Species	Sarkidiornis melanotos	Proechimys poliopus

Evolutionary Relationship

Comb Duck and Gray-footed Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Comb Duck

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Comb Duck	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Comb Duck

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador).

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Comb Duck

Comb Duck (Sarkidiornis melanotos) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.