Crescent Nail-tail Wallaby vs Sandwich Tern

Onychogalea lunata compared with Thalasseus sandvicensis

Key Differences

• Crescent Nail-tail Wallaby is Extinct while Sandwich Tern is Least Concern.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	Sandwich Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Diprotodontia (Marsupials)	Charadriiformes (Charadriiformes)
Family	Macropodidae (Kangaroos)	Laridae
Genus	Onychogalea	Thalasseus
Species	Onychogalea lunata	Thalasseus sandvicensis

Evolutionary Relationship

Crescent Nail-tail Wallaby and Sandwich Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

Sandwich Tern

LC — Least Concern

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	Sandwich Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sandwich Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

Sandwich Tern

Sandwich Tern (Thalasseus sandvicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.