Big eye thresher shark vs Scaly-naped Parrot / Scaly-naped Amazon

Alopias superciliosus compared with Amazona mercenaria

Key Differences

• Big eye thresher shark is Vulnerable while Scaly-naped Parrot / Scaly-naped Amazon is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	Scaly-naped Parrot / Scaly-naped Amazon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Psittaciformes (Parrots)
Family	Alopiidae	Psittacidae (True Parrots)
Genus	Alopias	Amazona
Species	Alopias superciliosus	Amazona mercenaria

Evolutionary Relationship

Big eye thresher shark and Scaly-naped Parrot / Scaly-naped Amazon share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Scaly-naped Parrot / Scaly-naped Amazon

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	Scaly-naped Parrot / Scaly-naped Amazon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Scaly-naped Parrot / Scaly-naped Amazon

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Scaly-naped Parrot / Scaly-naped Amazon

A large, predominantly green amazon parrot with distinctive dark-scaled nape feathers and a patch of red on the wing, scaly-naped amazons inhabit humid montane forests of the northern and central Andes in Colombia, Venezuela, Ecuador, and Peru at elevations of 600–3,000 meters. Relatively little known compared to other amazons, they are found in pairs or small flocks feeding on seeds, fruit, and flowers in cloud forest. Listed as Least Concern.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela