Fieldfare vs Lesser Noctule

Turdus pilaris compared with Nyctalus leisleri

Key Differences

• Fieldfare is Critically Endangered while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Fieldfare	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Turdidae	Vespertilionidae
Genus	Turdus	Nyctalus
Species	Turdus pilaris	Nyctalus leisleri

Evolutionary Relationship

Fieldfare and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fieldfare

CR — Critically Endangered

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Fieldfare	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fieldfare

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Fieldfare

Fieldfare (Turdus pilaris) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden