black slug vs Scarlet Macaw

Milax nigricans compared with Ara macao

Key Differences

• black slug is Not Evaluated while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	black slug	Scarlet Macaw
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Psittaciformes (Parrots)
Family	Milacidae	Psittacidae (True Parrots)
Genus	Milax	Ara (Macaws)
Species	Milax nigricans	Ara macao

Evolutionary Relationship

black slug and Scarlet Macaw share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

black slug

NE — Not Evaluated

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

black slug

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (8 countries).

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.

black slug

The Black slug (Milax nigricans) is a species in the genus Milax. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom