Nut-Tree Pigmy vs Yellow-billed Pintail

Stigmella microtheriella compared with Anas georgica

Key Differences

• Nut-Tree Pigmy is Least Concern while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	Nut-Tree Pigmy	Yellow-billed Pintail
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 microtheriella	Anas georgica

Evolutionary Relationship

Nut-Tree Pigmy and Yellow-billed Pintail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Nut-Tree Pigmy

LC — Least Concern

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	Nut-Tree Pigmy	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nut-Tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway