Bigeye thresher vs Large-billed Crow

Alopias pelagicus compared with Corvus macrorhynchos

Key Differences

• Bigeye thresher is Endangered while Large-billed Crow is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Large-billed Crow
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	Corvidae (Crows & Ravens)
Genus	Alopias	Corvus (Crows & Ravens)
Species	Alopias pelagicus	Corvus macrorhynchos

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Large-billed Crow

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Large-billed Crow
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.

Large-billed Crow

Habitat

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

Range

Distributed across Norway and United Arab Emirates.

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.