Bigeye thresher vs Guttulate Foliage-gleaner

Alopias pelagicus compared with Syndactyla guttulata

Key Differences

• Bigeye thresher is Endangered while Guttulate Foliage-gleaner is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Guttulate Foliage-gleaner
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	Furnariidae
Genus	Alopias	Syndactyla
Species	Alopias pelagicus	Syndactyla guttulata

Evolutionary Relationship

Bigeye thresher and Guttulate Foliage-gleaner share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Guttulate Foliage-gleaner

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Guttulate Foliage-gleaner
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.

Guttulate Foliage-gleaner

Habitat

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

Range

Distributed across 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.