Peruvian Thick-knee vs Red-billed Duck

Burhinus superciliaris compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Peruvian Thick-knee	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Anseriformes (Anseriformes)
Family	Burhinidae	Anatidae
Genus	Burhinus	Anas
Species	Burhinus superciliaris	Anas erythrorhyncha

Evolutionary Relationship

Peruvian Thick-knee and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Peruvian Thick-knee

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Peruvian Thick-knee	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Peruvian Thick-knee

Habitat

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

Range

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

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 6 countries:

🇧🇪 Belgium 🇪🇨 Ecuador 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom