Bigeye thresher vs Black-breasted Snake-Eagle

Alopias pelagicus compared with Circaetus pectoralis

Key Differences

• Bigeye thresher is Endangered while Black-breasted Snake-Eagle is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Black-breasted Snake-Eagle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Accipitriformes (Hawks & Eagles)
Family	Alopiidae	Accipitridae (Hawks & Eagles)
Genus	Alopias	Circaetus
Species	Alopias pelagicus	Circaetus pectoralis

Evolutionary Relationship

Bigeye thresher and Black-breasted Snake-Eagle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Black-breasted Snake-Eagle

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Black-breasted Snake-Eagle
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-breasted Snake-Eagle

Habitat

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

Range

Found in Norway.

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-breasted Snake-Eagle

The Black-breasted Snake-Eagle (Circaetus pectoralis) is a species in the genus Circaetus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.