Arnoux's beaked whale vs Rootless Duckweed

Berardius arnuxii compared with Wolffia arrhiza

Key Differences

• Arnoux's beaked whale is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Arnoux's beaked whale	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Cetacea (Whales & Dolphins)	Alismatales (Alismatales)
Family	Hyperoodontidae	Araceae
Genus	Berardius	Wolffia
Species	Berardius arnuxii	Wolffia arrhiza

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Arnoux's beaked whale	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Arnoux's beaked whale

The Arnoux's beaked whale, Berardius arnuxii, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.