Bigeye thresher vs Crow-billed Drongo

Alopias pelagicus compared with Dicrurus annectans

Key Differences

• Bigeye thresher is Endangered while Crow-billed Drongo is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Crow-billed Drongo
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	Dicruridae
Genus	Alopias	Dicrurus
Species	Alopias pelagicus	Dicrurus annectans

Evolutionary Relationship

Bigeye thresher and Crow-billed Drongo share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Crow-billed Drongo

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Crow-billed Drongo
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.

Crow-billed Drongo

Habitat

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

Range

Found in Taiwan.

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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan