Birch Rust vs Scarlet Macaw

Melampsoridium betulinum compared with Ara macao

Key Differences

Birch Rust is Not Evaluated while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	Birch Rust	Scarlet Macaw
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Pucciniomycetes (Pucciniomycetes)	Aves (Birds)
Order	Pucciniales (Pucciniales)	Psittaciformes (Parrots)
Family	Pucciniastraceae	Psittacidae (True Parrots)
Genus	Melampsoridium	Ara (Macaws)
Species	Melampsoridium betulinum	Ara macao

Conservation Status

Birch Rust

NE — Not Evaluated

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Birch Rust

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (6 countries) and North America (United States).

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.

Birch Rust

The Birch Rust (Melampsoridium betulinum) is a species in the genus Melampsoridium. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.