Chestnut-flanked Sparrowhawk vs Lesser Noctule

Accipiter castanilius compared with Nyctalus leisleri

Key Differences

• Chestnut-flanked Sparrowhawk is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Chestnut-flanked Sparrowhawk	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Accipitriformes (Hawks & Eagles)	Chiroptera (Bats)
Family	Accipitridae (Hawks & Eagles)	Vespertilionidae
Genus	Accipiter	Nyctalus
Species	Accipiter castanilius	Nyctalus leisleri

Evolutionary Relationship

Chestnut-flanked Sparrowhawk and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-flanked Sparrowhawk

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Chestnut-flanked Sparrowhawk	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-flanked Sparrowhawk

Habitat

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

Range

Found in Norway.

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.

Chestnut-flanked Sparrowhawk

The Chestnut-flanked Sparrowhawk (Accipiter castanilius) is a species in the genus Accipiter. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.