Radjah Shelduck vs Cotton Pygmy-Goose

In short

The Radjah Shelduck and Cotton Pygmy-Goose can be distinguished by size and plumage. The Radjah Shelduck is larger with a distinctive white body and dark chestnut band across the chest, while the Cotton Pygmy-Goose is smaller with a more compact body and predominantly green and white plumage. Both species inhabit wetland areas, but the Cotton Pygmy-Goose is more likely to be seen in flocks.

Identification tips

1. Size: Radjah Shelduck is larger; Cotton Pygmy-Goose is smaller and more compact. 2. Plumage: Look for the Radjah Shelduck's chestnut chest band; Cotton Pygmy-Goose males have a glossy green head. 3. Social behavior: Cotton Pygmy-Goose often in flocks; Radjah Shelduck usually in pairs or small groups.

Size

The Radjah Shelduck is significantly larger than the Cotton Pygmy-Goose.

Plumage

Radjah Shelduck has a white body with a dark chestnut band across the chest, whereas the Cotton Pygmy-Goose features a green and white plumage, with males having a glossy green head.

Behaviour

The Cotton Pygmy-Goose is more social, often seen in flocks, especially outside the breeding season, while the Radjah Shelduck is generally seen in pairs or small groups.

Habitat

Both species prefer wetland habitats, but the Cotton Pygmy-Goose is more associated with areas having abundant floating or submerged vegetation.