Base-spotted Pigmy vs Red-billed Duck

Stigmella basiguttella compared with Anas erythrorhyncha

Key Differences

• Base-spotted Pigmy is Near Threatened while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Base-spotted Pigmy	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	Nepticulidae	Anatidae
Genus	Stigmella	Anas
Species	Stigmella basiguttella	Anas erythrorhyncha

Evolutionary Relationship

Base-spotted Pigmy and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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).

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway