Bigeye thresher vs Common Flameback

Alopias pelagicus compared with Dinopium javanense

Key Differences

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

Taxonomic Classification

Rank	Bigeye thresher	Common Flameback
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Piciformes (Piciformes)
Family	Alopiidae	Picidae
Genus	Alopias	Dinopium
Species	Alopias pelagicus	Dinopium javanense

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Common Flameback

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Common Flameback
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 Flameback

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.

Common Flameback

<em>Dinopium javanense</em> is a woodpecker belonging to the family Picidae within the order Piciformes. Commonly known as the common flameback, this species is characterized by its striking golden-yellow and black plumage with a vivid red crown, typical of flameback woodpeckers in the genus Dinopium. The species is classified as Least Concern on the IUCN Red List, indicating stable population trends across its range. Documented occurrences include Norway, though the species is primarily associated with South and Southeast Asia, inhabiting open woodland, forest edges, plantations, and gardens. <em>Dinopium javanense</em> typically forages on tree trunks and branches, using its strong bill to excavate insects from bark and decaying wood. The species is generally solitary outside the breeding season and is known for its loud, repetitive calls. Its diet consists primarily of insects, particularly ants and beetle larvae extracted from wood. Biological traits of this species remain poorly documented in the scientific literature.