vs Red-billed Duck

Asperococcus ensiformis compared with Anas erythrorhyncha

Key Differences

• is Data Deficient while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank		Red-billed Duck
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Phaeophyceae (Phaeophyceae)	Aves (Birds)
Order	Ectocarpales (Ectocarpales)	Anseriformes (Anseriformes)
Family	Chordariaceae	Anatidae
Genus	Asperococcus	Anas
Species	Asperococcus ensiformis	Anas erythrorhyncha

Conservation Status

DD — Data Deficient

Red-billed Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Distributed across Denmark, New Zealand, and Norway.

Red-billed Duck

Habitat

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

Range

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

Asperococcus ensiformis is a tubular to flattened brown alga forming elongated, sac-like or sword-shaped thalli attached to rocky substrates. It inhabits intertidal and shallow subtidal rocky shores of the North Atlantic and Mediterranean coasts. This photosynthetic macroalga grows on rocks and larger algae in wave-exposed coastal zones.

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