Crescent Nail-tail Wallaby vs Scale-crested Pygmy-Tyrant

Onychogalea lunata compared with Lophotriccus pileatus

Key Differences

• Crescent Nail-tail Wallaby is Extinct while Scale-crested Pygmy-Tyrant is Least Concern.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	Scale-crested Pygmy-Tyrant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Diprotodontia (Marsupials)	Passeriformes (Songbirds)
Family	Macropodidae (Kangaroos)	Tyrannidae
Genus	Onychogalea	Lophotriccus
Species	Onychogalea lunata	Lophotriccus pileatus

Evolutionary Relationship

Crescent Nail-tail Wallaby and Scale-crested Pygmy-Tyrant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

Scale-crested Pygmy-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	Scale-crested Pygmy-Tyrant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Scale-crested Pygmy-Tyrant

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Scale-crested Pygmy-Tyrant

Scale-crested Pygmy-Tyrant (Lophotriccus pileatus) 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.