Alfken's Mini-miner vs Eurasian Tree Sparrow

Andrena alfkenella compared with Passer montanus

Key Differences

• Alfken's Mini-miner is Near Threatened while Eurasian Tree Sparrow is Endangered.

Taxonomic Classification

Rank	Alfken's Mini-miner	Eurasian Tree Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hymenoptera (Ants, Bees & Wasps)	Passeriformes (Songbirds)
Family	Andrenidae	Passeridae
Genus	Andrena	Passer
Species	Andrena alfkenella	Passer montanus

Evolutionary Relationship

Alfken's Mini-miner and Eurasian Tree Sparrow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Eurasian Tree Sparrow

EN — Endangered

Physical Characteristics

Attribute	Alfken's Mini-miner	Eurasian Tree Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alfken's Mini-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Eurasian Tree Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Indonesia, Philippines, Singapore), Europe (7 countries), North America (Canada, United States), and Oceania and the Pacific (Australia, Marshall Islands). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alfken's Mini-miner

The Alfken's Mini-miner (Andrena alfkenella) is a species in the genus Andrena. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Eurasian Tree Sparrow

Eurasian Tree Sparrow (Passer montanus) 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 4 countries:

🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden