Adder’S-Mouth vs Chestnut-breasted Whiteface

Malaxis bayardii compared with Aphelocephala pectoralis

Key Differences

• Adder’S-Mouth is Critically Endangered while Chestnut-breasted Whiteface is Near Threatened.

Taxonomic Classification

Rank	Adder’S-Mouth	Chestnut-breasted Whiteface
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Asparagales (Asparagales)	Passeriformes (Songbirds)
Family	Orchidaceae	Acanthizidae
Genus	Malaxis	Aphelocephala
Species	Malaxis bayardii	Aphelocephala pectoralis

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Chestnut-breasted Whiteface

NT — Near Threatened

Physical Characteristics

Attribute	Adder’S-Mouth	Chestnut-breasted Whiteface
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chestnut-breasted Whiteface

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada and United States.

Chestnut-breasted Whiteface

The Chestnut-breasted Whiteface (Aphelocephala pectoralis) is a species in the genus Aphelocephala. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.