Oak Fern Rust vs Scarlet Macaw

Hyalopsora aspidiotus compared with Ara macao

Key Differences

• Oak Fern Rust is Not Evaluated while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	Oak Fern 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	Hyalopsora	Ara (Macaws)
Species	Hyalopsora aspidiotus	Ara macao

Conservation Status

Oak Fern Rust

NE — Not Evaluated

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Oak Fern Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, 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.

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