Big eye thresher shark vs Black-backed Bittern

Alopias superciliosus compared with Ixobrychus dubius

Key Differences

• Big eye thresher shark is Vulnerable while Black-backed Bittern is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	Black-backed Bittern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Pelecaniformes (Pelecaniformes)
Family	Alopiidae	Ardeidae
Genus	Alopias	Ixobrychus
Species	Alopias superciliosus	Ixobrychus dubius

Evolutionary Relationship

Big eye thresher shark and Black-backed Bittern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Black-backed Bittern

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	Black-backed Bittern
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.

Black-backed Bittern

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.

Black-backed Bittern

The Black-backed Bittern (Ixobrychus dubius) is a species in the genus Ixobrychus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.