Blacktail spurdog vs Chestnut-cheeked Starling

Squalus melanurus compared with Agropsar philippensis

Key Differences

• Blacktail spurdog is Data Deficient while Chestnut-cheeked Starling is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Chestnut-cheeked Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Passeriformes (Songbirds)
Family	Squalidae	Sturnidae
Genus	Squalus	Agropsar
Species	Squalus melanurus	Agropsar philippensis

Evolutionary Relationship

Blacktail spurdog and Chestnut-cheeked Starling share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Chestnut-cheeked Starling

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Chestnut-cheeked Starling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Chestnut-cheeked Starling

Habitat

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

Range

Distributed across Norway and Taiwan.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.

Chestnut-cheeked Starling

The Chestnut-cheeked Starling (Agropsar philippensis) is a species in the genus Agropsar. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.