Common Ringlet vs Red-billed Duck

Coenonympha tullia compared with Anas erythrorhyncha

Key Differences

• Common Ringlet is Extinct while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Common Ringlet	Red-billed Duck
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Arthropoda (động vật Chân khớp)	Chordata (động vật có dây sống)
Class	Insecta (côn trùng)	Aves (chim)
Order	Lepidoptera (bộ Cánh vảy)	Anseriformes (bộ Ngỗng)
Family	Nymphalidae (Brush-footed Butterflies)	Anatidae
Genus	Coenonympha	Anas
Species	Coenonympha tullia	Anas erythrorhyncha

Evolutionary Relationship

Common Ringlet and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (động vật)

Conservation Status

Common Ringlet

EX — Extinct

Red-billed Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Common Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (27 countries) and North America (Canada, United States).

Red-billed Duck

Habitat

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

Range

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

Common Ringlet

Common Ringlet (Coenonympha tullia) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.

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