Bare-legged Swiftlet vs Speer’s Collared Frog

Aerodramus nuditarsus compared with Mannophryne speeri

Key Differences

• Bare-legged Swiftlet is Least Concern while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Speer’s Collared Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Apodiformes (Apodiformes)	Anura (Frogs & Toads)
Family	Apodidae	Aromobatidae
Genus	Aerodramus	Mannophryne
Species	Aerodramus nuditarsus	Mannophryne speeri

Evolutionary Relationship

Bare-legged Swiftlet and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-legged Swiftlet

Habitat

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

Range

Found in Norway.

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.

Bare-legged Swiftlet

The Bare-legged Swiftlet (Aerodramus nuditarsus) is a species in the genus Aerodramus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.