Bearded Tooth vs Scarlet Macaw

Hericium erinaceus compared with Ara macao

Key Differences

• Bearded Tooth is Critically Endangered while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	Bearded Tooth	Scarlet Macaw
Kingdom	Fungi (فطر)	Animalia (حيوانات)
Phylum	Basidiomycota (دعاميات)	Chordata (حبليات)
Class	Agaricomycetes (غاريقونانية)	Aves (طيور)
Order	Russulales (روسوليات)	Psittaciformes (ببغاء)
Family	Hericiaceae	Psittacidae (True Parrots)
Genus	Hericium	Ara (Macaws)
Species	Hericium erinaceus	Ara macao

Conservation Status

Bearded Tooth

CR — Critically Endangered

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Bearded Tooth

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Bearded Tooth

The Bearded Tooth (Hericium erinaceus) is a species in the genus Hericium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway