Bigeye thresher vs White-necked Raven

Alopias pelagicus compared with Corvus albicollis

Key Differences

• Bigeye thresher is Endangered while White-necked Raven is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	White-necked Raven
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 albicollis

Evolutionary Relationship

Bigeye thresher and White-necked Raven share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

White-necked Raven

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	White-necked Raven
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.

White-necked Raven

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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.

White-necked Raven

White-necked Raven (Corvus albicollis) 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.