Bigeye thresher vs Common Chaffinch

Alopias pelagicus compared with Fringilla coelebs

Key Differences

• Bigeye thresher is Endangered while Common Chaffinch is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Common Chaffinch
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Passeriformes (Songbirds)
Family	Alopiidae	Fringillidae
Genus	Alopias	Fringilla
Species	Alopias pelagicus	Fringilla coelebs

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Common Chaffinch

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Common Chaffinch
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.

Common Chaffinch

Habitat

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

Range

Widely distributed across Africa (South Africa), Europe (5 countries), and Oceania and the Pacific (Australia, New Zealand).

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.

Common Chaffinch

Common Chaffinch (Fringilla coelebs) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.