Bigeye thresher vs White-fronted Swift

Alopias pelagicus compared with Cypseloides storeri

Key Differences

• Bigeye thresher is Endangered while White-fronted Swift is Data Deficient.

Taxonomic Classification

Rank	Bigeye thresher	White-fronted 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 storeri

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

White-fronted Swift

DD — Data Deficient

Physical Characteristics

Attribute	Bigeye thresher	White-fronted 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.

White-fronted Swift

Habitat

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

Range

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.