Crescent Nail-tail Wallaby vs Ray's Knotgrass

Onychogalea lunata compared with Polygonum oxyspermum

Key Differences

• Crescent Nail-tail Wallaby is Extinct while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Diprotodontia (Marsupials)	Caryophyllales (Caryophyllales)
Family	Macropodidae (Kangaroos)	Polygonaceae
Genus	Onychogalea	Polygonum
Species	Onychogalea lunata	Polygonum oxyspermum

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.