Big eye thresher shark vs Gray-headed Parrotbill

Alopias superciliosus compared with Psittiparus gularis

Key Differences

• Big eye thresher shark is Vulnerable while Gray-headed Parrotbill is Not Evaluated.

Taxonomic Classification

Rank	Big eye thresher shark	Gray-headed Parrotbill
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	Sylviidae
Genus	Alopias	Psittiparus
Species	Alopias superciliosus	Psittiparus gularis

Evolutionary Relationship

Big eye thresher shark and Gray-headed Parrotbill share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Gray-headed Parrotbill

NE — Not Evaluated

Physical Characteristics

Attribute	Big eye thresher shark	Gray-headed Parrotbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Gray-headed Parrotbill

Habitat

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

Range

Found in Norway.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.