Asian Openbill vs Bigeye thresher

Anastomus oscitans compared with Alopias pelagicus

Key Differences

• Asian Openbill is Least Concern while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Asian Openbill	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Chondrichthyes (Cartilaginous Fish)
Order	Ciconiiformes (Ciconiiformes)	Lamniformes (Mackerel Sharks)
Family	Ciconiidae	Alopiidae
Genus	Anastomus	Alopias
Species	Anastomus oscitans	Alopias pelagicus

Evolutionary Relationship

Asian Openbill and Bigeye thresher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Asian Openbill

LC — Least Concern

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Asian Openbill	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian Openbill

Habitat

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

Range

Found in Norway.

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.

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.

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.