Bigeye thresher vs Gray-capped Cuckoo

Alopias pelagicus compared with Coccyzus lansbergi

Key Differences

• Bigeye thresher is Endangered while Gray-capped Cuckoo is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Gray-capped Cuckoo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Cuculiformes (Cuculiformes)
Family	Alopiidae	Cuculidae
Genus	Alopias	Coccyzus
Species	Alopias pelagicus	Coccyzus lansbergi

Evolutionary Relationship

Bigeye thresher and Gray-capped Cuckoo share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Gray-capped Cuckoo

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Gray-capped Cuckoo
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.

Gray-capped Cuckoo

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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