Bigeye thresher vs Buff-shouldered Widowbird

Alopias pelagicus compared with Euplectes psammacromius

Key Differences

• Bigeye thresher is Endangered while Buff-shouldered Widowbird is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Buff-shouldered Widowbird
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	Ploceidae
Genus	Alopias	Euplectes
Species	Alopias pelagicus	Euplectes psammacromius

Evolutionary Relationship

Bigeye thresher and Buff-shouldered Widowbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Buff-shouldered Widowbird

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Buff-shouldered Widowbird
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.

Buff-shouldered Widowbird

Habitat

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

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.

Buff-shouldered Widowbird

The Buff-Shouldered Widowbird (Euplectes psammacromius) is a species in the genus Euplectes. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.