Austral ray vs Scaly-naped Parrot / Scaly-naped Amazon

Bathyraja griseocauda compared with Amazona mercenaria

Key Differences

• Austral ray is Endangered while Scaly-naped Parrot / Scaly-naped Amazon is Least Concern.

Taxonomic Classification

Rank	Austral ray	Scaly-naped Parrot / Scaly-naped Amazon
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Aves (นก)
Order	Rajiformes (อันดับปลาโรนัน)	Psittaciformes (อันดับนกแก้ว)
Family	Arhynchobatidae	Psittacidae (True Parrots)
Genus	Bathyraja	Amazona
Species	Bathyraja griseocauda	Amazona mercenaria

Evolutionary Relationship

Austral ray and Scaly-naped Parrot / Scaly-naped Amazon share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Austral ray

EN — Endangered

Scaly-naped Parrot / Scaly-naped Amazon

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Scaly-naped Parrot / Scaly-naped Amazon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Austral ray

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Endangered 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.

Austral ray

The Austral ray (Bathyraja griseocauda) is a species in the genus Bathyraja. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

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.