Limestone Annulet vs Red-billed Duck

Charissa pullata compared with Anas erythrorhyncha

Key Differences

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

Taxonomic Classification

Rank	Limestone Annulet	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	Geometridae	Anatidae
Genus	Charissa	Anas
Species	Charissa pullata	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Limestone Annulet

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Limestone Annulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Belgium.

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.

Shared Countries

Both species can be found in 1 countries:

🇧🇪 Belgium