Lesser Noctule vs Speer’s Collared Frog

Nyctalus leisleri compared with Mannophryne speeri

Key Differences

• Lesser Noctule is Endangered while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Lesser Noctule	Speer’s Collared Frog
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	Aromobatidae
Genus	Nyctalus	Mannophryne
Species	Nyctalus leisleri	Mannophryne speeri

Evolutionary Relationship

Lesser Noctule and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Lesser Noctule	Speer’s Collared Frog
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.

Speer’s Collared Frog

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.