Bigeye thresher vs Pale-rumped Swift

Alopias pelagicus compared with Chaetura egregia

Key Differences

• Bigeye thresher is Endangered while Pale-rumped Swift is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Pale-rumped 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	Chaetura
Species	Alopias pelagicus	Chaetura egregia

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Pale-rumped Swift

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Pale-rumped 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.

Pale-rumped Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, 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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia