Scarlet Macaw vs White-winged Tern

Ara macao compared with Chlidonias leucopterus

Key Differences

• Scarlet Macaw is Least Concern while White-winged Tern is Not Evaluated.

Taxonomic Classification

Rank	Scarlet Macaw	White-winged Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Psittaciformes (Parrots)	Charadriiformes (Charadriiformes)
Family	Psittacidae (True Parrots)	Laridae
Genus	Ara (Macaws)	Chlidonias
Species	Ara macao	Chlidonias leucopterus

Evolutionary Relationship

Scarlet Macaw and White-winged Tern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

White-winged Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Scarlet Macaw	White-winged Tern
Diet	Herbivore	—
Average Lifespan	50 years	—
Average Length	85 cm	—
Average Weight	1.0 kg	—

Habitat & Geographic 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.

White-winged Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

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.

White-winged Tern

White-winged Tern (Chlidonias leucopterus) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway