Blacktail spurdog vs Blue-winged Mountain-Tanager

Squalus melanurus compared with Anisognathus somptuosus

Key Differences

Blacktail spurdog is Data Deficient while Blue-winged Mountain-Tanager is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Blue-winged Mountain-Tanager
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Passeriformes (Songbirds)
Family	Squalidae	Thraupidae
Genus	Squalus	Anisognathus
Species	Squalus melanurus	Anisognathus somptuosus

Evolutionary Relationship

Blacktail spurdog and Blue-winged Mountain-Tanager share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Blacktail spurdog

DD — Data Deficient

Blue-winged Mountain-Tanager

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Blue-winged Mountain-Tanager
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Blue-winged Mountain-Tanager

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Blue-winged Mountain-Tanager (Anisognathus somptuosus) 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.