Red-billed Duck vs Silverfish

Anas erythrorhyncha compared with Ctenolepisma longicaudatum

Key Differences

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

Taxonomic Classification

Rank	Red-billed Duck	Silverfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Zygentoma (Zygentoma)
Family	Anatidae	Lepismatidae
Genus	Anas	Ctenolepisma
Species	Anas erythrorhyncha	Ctenolepisma longicaudatum

Evolutionary Relationship

Red-billed Duck and Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Silverfish

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

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

Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Cyprus, Taiwan), Europe (11 countries), and North America (United States).

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 5 countries:

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