Bigeye thresher vs Thick-billed Fox Sparrow

Alopias pelagicus compared with Passerella megarhyncha

Key Differences

• Bigeye thresher is Endangered while Thick-billed Fox Sparrow is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Thick-billed Fox Sparrow
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	Passerellidae
Genus	Alopias	Passerella
Species	Alopias pelagicus	Passerella megarhyncha

Evolutionary Relationship

Bigeye thresher and Thick-billed Fox Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Thick-billed Fox Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Thick-billed Fox Sparrow
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.

Thick-billed Fox Sparrow

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.