Bigeye thresher vs Red-breasted Dotterel

Alopias pelagicus compared with Charadrius obscurus

Key Differences

• Bigeye thresher is Endangered while Red-breasted Dotterel is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Red-breasted Dotterel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Charadriiformes (Charadriiformes)
Family	Alopiidae	Charadriidae
Genus	Alopias	Charadrius
Species	Alopias pelagicus	Charadrius obscurus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Red-breasted Dotterel

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Red-breasted Dotterel
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-breasted Dotterel

Habitat

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

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.