Bigeye thresher vs Seaside Cinclodes / Chilean Seaside Cinclodes

Alopias pelagicus compared with Cinclodes nigrofumosus

Key Differences

• Bigeye thresher is Endangered while Seaside Cinclodes / Chilean Seaside Cinclodes is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Seaside Cinclodes / Chilean Seaside Cinclodes
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	Furnariidae
Genus	Alopias	Cinclodes
Species	Alopias pelagicus	Cinclodes nigrofumosus

Evolutionary Relationship

Bigeye thresher and Seaside Cinclodes / Chilean Seaside Cinclodes share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Seaside Cinclodes / Chilean Seaside Cinclodes

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Seaside Cinclodes / Chilean Seaside Cinclodes
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.

Seaside Cinclodes / Chilean Seaside Cinclodes

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.