Brown Scalewort vs Scarlet Macaw

Radula aquilegia compared with Ara macao

Key Differences

• Brown Scalewort is Not Evaluated while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	Brown Scalewort	Scarlet Macaw
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Aves (Birds)
Order	Porellales (Porellales)	Psittaciformes (Parrots)
Family	Radulaceae	Psittacidae (True Parrots)
Genus	Radula	Ara (Macaws)
Species	Radula aquilegia	Ara macao

Conservation Status

Brown Scalewort

NE — Not Evaluated

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown Scalewort	Scarlet Macaw
Diet	—	Herbivore
Average Lifespan	—	50 years
Average Length	—	85 cm
Average Weight	—	1.0 kg

Habitat & Geographic Range

Brown Scalewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

Scarlet Macaw

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of its range.

Brown Scalewort

The Brown Scalewort (Radula aquilegia) is a species in the genus Radula. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Norway, Portugal, and Sweden. As a member of the genus Radula, it shares characteristics with related species within this taxonomic group.

Scarlet Macaw

One of the most brilliantly colored birds in the Americas, scarlet macaws display vivid red, yellow, and blue plumage with wingspans reaching 1 meter. Found in humid lowland forests from Mexico to Bolivia, they are highly intelligent, long-lived — up to 75 years — and form lifelong pair bonds. They travel long distances to clay licks where they consume mineral-rich soil to detoxify seeds. Listed as Least Concern but locally threatened by habitat loss and the pet trade.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway