Great Nicobar Serpent Eagle vs Lesser Noctule

Spilornis klossi compared with Nyctalus leisleri

Key Differences

• Great Nicobar Serpent Eagle is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Great Nicobar Serpent Eagle	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	Spilornis	Nyctalus
Species	Spilornis klossi	Nyctalus leisleri

Evolutionary Relationship

Great Nicobar Serpent Eagle and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Great Nicobar Serpent Eagle

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Great Nicobar Serpent Eagle	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Nicobar Serpent Eagle

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.