Bigeye thresher vs Black-faced Tanager

Alopias pelagicus compared with Schistochlamys melanopis

Key Differences

• Bigeye thresher is Endangered while Black-faced Tanager is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Black-faced Tanager
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Passeriformes (Songbirds)
Family	Alopiidae	Thraupidae
Genus	Alopias	Schistochlamys
Species	Alopias pelagicus	Schistochlamys melanopis

Evolutionary Relationship

Bigeye thresher and Black-faced Tanager share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Black-faced Tanager

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Black-faced Tanager
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-faced Tanager

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Black-faced Tanager

A medium-sized tanager with a distinctive black face mask contrasting with grey-white body plumage, black-faced tanagers inhabit forest edges, secondary woodland, cerrado, and open scrub across a broad range from Colombia and Venezuela south through the Guianas and Brazil. They are adaptable birds tolerant of disturbed and degraded habitats, foraging on fruit, berries, and insects in pairs and small groups. Listed as Least Concern and among the more common tanagers in disturbed habitats across northern South America.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia