Adder’S-Mouth vs Asian Openbill

Malaxis bayardii compared with Anastomus oscitans

Key Differences

• Adder’S-Mouth is Critically Endangered while Asian Openbill is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Asian Openbill
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Asparagales (Asparagales)	Ciconiiformes (Ciconiiformes)
Family	Orchidaceae	Ciconiidae
Genus	Malaxis	Anastomus
Species	Malaxis bayardii	Anastomus oscitans

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Asian Openbill

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Asian Openbill
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.

Asian Openbill

Habitat

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

Range

Found in Norway.

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.

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.