Redvein dock vs Yellow-billed Cacique

Rumex sanguineus compared with Amblycercus holosericeus

Key Differences

• Redvein dock is Critically Endangered while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Redvein dock	Yellow-billed Cacique
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Caryophyllales (Caryophyllales)	Passeriformes (Songbirds)
Family	Polygonaceae	Icteridae
Genus	Rumex	Amblycercus
Species	Rumex sanguineus	Amblycercus holosericeus

Conservation Status

Redvein dock

CR — Critically Endangered

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Redvein dock	Yellow-billed Cacique
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Redvein dock

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), and South America (Chile). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway