Red-and-green Macaw vs Red-shouldered Macaw

In short

The Red-and-green Macaw (Ara chloropterus) is a large, robust parrot with a predominantly red body and green wings, while the Red-shouldered Macaw (Diopsittaca nobilis) is significantly smaller, with a mostly green plumage and a distinctive red patch on the shoulders. Size and overall coloration are the most reliable field marks to distinguish these two species.

Identification tips

1. Size: Look for the much larger size of the Red-and-green Macaw. 2. Plumage: Note the red body and green wings of the Red-and-green Macaw versus the green body with red shoulders of the Red-shouldered Macaw. 3. Habitat: Consider the habitat; Red-and-green Macaws prefer dense forests, while Red-shouldered Macaws are more adaptable to open areas. 4. Vocalization: Listen for the distinct calls; Red-and-green Macaws have harsher calls compared to the more melodic sounds of the Red-shouldered Macaw.

Size

The Red-and-green Macaw is much larger, reaching up to 95 cm in length, whereas the Red-shouldered Macaw is smaller, about 30 cm long.

Plumage

The Red-and-green Macaw has a bright red body with green wings and a blue tail, while the Red-shouldered Macaw is primarily green with a notable red patch on the shoulders and a blue forehead.

Behaviour

Both species are social and often seen in pairs or small groups, but the Red-and-green Macaw is more likely to be observed in larger flocks.

Habitat

The Red-and-green Macaw inhabits tropical rainforests and adjacent woodlands, while the Red-shouldered Macaw is found in savannas, open woodlands, and sometimes urban areas.

Voice

The Red-and-green Macaw has a loud, harsh call, whereas the Red-shouldered Macaw produces a higher-pitched, more melodious series of notes.