Perija Thistletail vs Red-billed Duck

Asthenes perijana compared with Anas erythrorhyncha

Key Differences

• Perija Thistletail is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Perija Thistletail	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Anseriformes (Anseriformes)
Family	Furnariidae	Anatidae
Genus	Asthenes	Anas
Species	Asthenes perijana	Anas erythrorhyncha

Evolutionary Relationship

Perija Thistletail and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Perija Thistletail

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Perija Thistletail	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Perija Thistletail

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway