Lesser Noctule vs Napo Slender-legged Treefrog

Nyctalus leisleri compared with Osteocephalus fuscifacies

Key Differences

• Lesser Noctule is Endangered while Napo Slender-legged Treefrog is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Napo Slender-legged Treefrog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Chiroptera (Bats)	Anura (Frogs & Toads)
Family	Vespertilionidae	Hylidae
Genus	Nyctalus	Osteocephalus
Species	Nyctalus leisleri	Osteocephalus fuscifacies

Evolutionary Relationship

Lesser Noctule and Napo Slender-legged Treefrog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Napo Slender-legged Treefrog

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Napo Slender-legged Treefrog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Napo Slender-legged Treefrog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.