Bigeye thresher vs Red-collared Widowbird

Alopias pelagicus compared with Euplectes ardens

Key Differences

• Bigeye thresher is Endangered while Red-collared Widowbird is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Red-collared 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 ardens

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Red-collared Widowbird

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Red-collared 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.

Red-collared Widowbird

Habitat

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

Range

Distributed across Norway, United Arab Emirates, 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.