Rough ray vs Yellow-billed Cacique

Raja radula compared with Amblycercus holosericeus

Key Differences

• Rough ray is Endangered while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Rough ray	Yellow-billed Cacique
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Rajiformes (Rajiformes)	Passeriformes (Songbirds)
Family	Rajidae	Icteridae
Genus	Raja	Amblycercus
Species	Raja radula	Amblycercus holosericeus

Evolutionary Relationship

Rough ray and Yellow-billed Cacique share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Rough ray

EN — Endangered

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Rough ray	Yellow-billed Cacique
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rough ray

Yellow-billed Cacique

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) 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.