Pleated tunicate vs Red-billed Duck

Styela plicata compared with Anas erythrorhyncha

Key Differences

• Pleated tunicate is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Pleated tunicate	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Ascidiacea (Ascidiacea)	Aves (Birds)
Order	Stolidobranchia (Stolidobranchia)	Anseriformes (Anseriformes)
Family	Styelidae	Anatidae
Genus	Styela	Anas
Species	Styela plicata	Anas erythrorhyncha

Evolutionary Relationship

Pleated tunicate and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pleated tunicate

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Pleated tunicate	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pleated tunicate

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Senegal, South Africa), Asia (7 countries), Europe (11 countries), North America (Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Uruguay, Venezuela).

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 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom