Bigeye thresher vs Red-shouldered/Broad-winged Hawk

Alopias pelagicus compared with Buteo lineatus

Key Differences

• Bigeye thresher is Endangered while Red-shouldered/Broad-winged Hawk is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Red-shouldered/Broad-winged Hawk
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	Buteo
Species	Alopias pelagicus	Buteo lineatus

Evolutionary Relationship

Bigeye thresher and Red-shouldered/Broad-winged Hawk share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Red-shouldered/Broad-winged Hawk

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Red-shouldered/Broad-winged Hawk
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.

Red-shouldered/Broad-winged Hawk

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

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.