Raetzer's Ringlet vs Red-billed Duck

Erebia christi compared with Anas erythrorhyncha

Key Differences

• Raetzer's Ringlet is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Raetzer's Ringlet	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Nymphalidae (Brush-footed Butterflies)	Anatidae
Genus	Erebia	Anas
Species	Erebia christi	Anas erythrorhyncha

Evolutionary Relationship

Raetzer's Ringlet and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Raetzer's Ringlet

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Raetzer's Ringlet	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Raetzer's Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Italy and Switzerland. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.