Alpine Zephyr Blue vs Red-billed Duck

Kretania trappi compared with Anas erythrorhyncha

Key Differences

• Alpine Zephyr Blue is Near Threatened while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Alpine Zephyr Blue	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	Lycaenidae	Anatidae
Genus	Kretania	Anas
Species	Kretania trappi	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Alpine Zephyr Blue

NT — Near Threatened

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Alpine Zephyr Blue	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Zephyr Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across France, Italy, and Switzerland. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Red-billed Duck

Habitat

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

Range

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

Alpine Zephyr Blue

The Alpine Zephyr Blue (Kretania trappi) is a species in the genus Kretania. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across France, Italy, and Switzerland. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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:

🇫🇷 France