Bigeye thresher vs Black Swift

Alopias pelagicus compared with Cypseloides niger

Key Differences

• Bigeye thresher is Endangered while Black Swift is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Black Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Apodiformes (Apodiformes)
Family	Alopiidae	Apodidae
Genus	Alopias	Cypseloides
Species	Alopias pelagicus	Cypseloides niger

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Black Swift

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Black Swift
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.

Black Swift

Habitat

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

Range

Distributed across Colombia and 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.

Black Swift

The Black Swift (Cypseloides niger) is a species in the genus Cypseloides. It is currently classified as Least Concern on the IUCN Red List. Distributed across Colombia and Norway.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia