Crested Serpent Eagle vs Lesser Noctule

Spilornis cheela compared with Nyctalus leisleri

Key Differences

• Crested Serpent Eagle is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Crested 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 cheela	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Crested Serpent Eagle

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Crested Serpent Eagle	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crested Serpent Eagle

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.