Cálao malayo vs Ray's Knotgrass

Anthracoceros malayanus compared with Polygonum oxyspermum

Key Differences

• Cálao malayo is Vulnerable while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Cálao malayo	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (planta)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Bucerotiformes (Bucerotiformes)	Caryophyllales (Caryophyllales)
Family	Bucerotidae	Polygonaceae
Genus	Anthracoceros	Polygonum
Species	Anthracoceros malayanus	Polygonum oxyspermum

Conservation Status

Cálao malayo

VU — Vulnerable

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Cálao malayo	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cálao malayo

Habitat

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

Range

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

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cálao malayo

The Black Hornbill (Anthracoceros malayanus) is a species in the genus Anthracoceros. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway