Eurasian Marsh-Harrier vs Lesser Noctule

Circus aeruginosus compared with Nyctalus leisleri

Taxonomic Classification

Rank	Eurasian Marsh-Harrier	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	Circus	Nyctalus
Species	Circus aeruginosus	Nyctalus leisleri

Evolutionary Relationship

Eurasian Marsh-Harrier and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian Marsh-Harrier

EN — Endangered

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Eurasian Marsh-Harrier	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian Marsh-Harrier

Habitat

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

Range

Found across Asia (Taiwan) and Europe (6 countries). Currently classified as 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.

Eurasian Marsh-Harrier

Eurasian Marsh-Harrier (Circus aeruginosus) 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:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden