Red-billed Duck vs Tree Grayling

Anas erythrorhyncha compared with Hipparchia statilinus

Key Differences

• Red-billed Duck is Least Concern while Tree Grayling is Extinct.

Taxonomic Classification

Rank	Red-billed Duck	Tree Grayling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Nymphalidae (Brush-footed Butterflies)
Genus	Anas	Hipparchia
Species	Anas erythrorhyncha	Hipparchia statilinus

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

Tree Grayling

EX — Extinct

Physical Characteristics

Attribute	Red-billed Duck	Tree Grayling
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).

Tree Grayling

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (30 countries).

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 🇩🇪 Germany 🇳🇱 Netherlands