Chatham Bellbird vs Speer’s Collared Frog

Anthornis melanocephala compared with Mannophryne speeri

Key Differences

• Chatham Bellbird is Extinct while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Chatham Bellbird	Speer’s Collared Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Passeriformes (Songbirds)	Anura (Frogs & Toads)
Family	Meliphagidae	Aromobatidae
Genus	Anthornis	Mannophryne
Species	Anthornis melanocephala	Mannophryne speeri

Evolutionary Relationship

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

Conservation Status

Chatham Bellbird

EX — Extinct

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Chatham Bellbird	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chatham Bellbird

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.

Chatham Bellbird

The Chatham Bellbird (Anthornis melanocephala) is a species in the genus Anthornis. It is currently classified as Extinct on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.