Irrawaddy dolphin vs Lesser Red-knotgrass

Orcaella brevirostris compared with Polygonum arenarium

Key Differences

• Irrawaddy dolphin is Endangered while Lesser Red-knotgrass is Not Evaluated.

Taxonomic Classification

Rank	Irrawaddy dolphin	Lesser Red-knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Cetacea (Whales & Dolphins)	Caryophyllales (Caryophyllales)
Family	Delphinidae (Oceanic Dolphins)	Polygonaceae
Genus	Orcaella	Polygonum
Species	Orcaella brevirostris	Polygonum arenarium

Conservation Status

Irrawaddy dolphin

EN — Endangered

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Irrawaddy dolphin	Lesser Red-knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Red-knotgrass

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).