Yellow-collared Macaw vs Military Macaw

In short

The Yellow-collared Macaw (Primolius auricollis) and the Military Macaw (Ara militaris) can be distinguished primarily by their size and coloration. The Yellow-collared Macaw is smaller and has a distinctive yellow collar, while the Military Macaw is larger with a more uniform green body and a red forehead.

Identification tips

1. Size: Note the smaller size of the Yellow-collared Macaw. 2. Plumage: Look for the yellow collar on the Yellow-collared Macaw and the red forehead on the Military Macaw. 3. Vocalization: Listen for the higher-pitched calls of the Yellow-collared Macaw compared to the deeper calls of the Military Macaw.

Size

The Yellow-collared Macaw is smaller, typically around 38 cm in length, whereas the Military Macaw is larger, reaching about 70 cm.

Plumage

The Yellow-collared Macaw has a notable yellow band across the back of its neck and a blue crown, while the Military Macaw is predominantly green with a red forehead and lacks the yellow collar.

Behaviour

Both species are social and often seen in pairs or small groups, but specific behavioral differences are not well-documented.

Habitat

Both species inhabit tropical and subtropical forests, but the Military Macaw is more likely found in mountainous regions, whereas the Yellow-collared Macaw prefers lowland forests.

Voice

The Yellow-collared Macaw has a higher-pitched call compared to the deeper, more resonant calls of the Military Macaw.