Green Imperial-Pigeon vs Mountain Imperial-Pigeon

In short

The Green Imperial-Pigeon and Mountain Imperial-Pigeon can be distinguished by their habitat preferences and subtle size differences. The Green Imperial-Pigeon is typically found at lower elevations and is slightly smaller, while the Mountain Imperial-Pigeon prefers higher altitudes.

Identification tips

• Size: Look for the smaller size of the Green Imperial-Pigeon.
• Habitat: Note the elevation; Green Imperial-Pigeons are at lower elevations, while Mountain Imperial-Pigeons are at higher ones.
• Plumage: Avoid relying on plumage differences as they are very similar.

Size

The Green Imperial-Pigeon is generally smaller, with a wing length of 200–220 mm, compared to the Mountain Imperial-Pigeon, which is larger.

Plumage

Both species have similar plumage, making color differences unreliable for identification. Focus on size and habitat instead.

Habitat

Green Imperial-Pigeons are found at lower elevations, rarely exceeding 1,000 m, and can adapt to human-modified areas. Mountain Imperial-Pigeons prefer higher altitudes.