Cape Barren Goose vs Australian Shelduck

In short

The Cape Barren Goose and Australian Shelduck are both large waterfowl but differ in structure and plumage. The Cape Barren Goose is stockier with a distinctive greenish-yellow bill, while the Australian Shelduck has a more elongated body and a striking chestnut breast. Both species can be found in similar habitats, but their vocalizations and behaviors provide additional clues for identification.

Identification tips

• Look for the greenish-yellow bill and grey body with black spots for Cape Barren Goose.
• Note the chestnut breast and white collar of the Australian Shelduck.
• Observe behavior: Cape Barren Geese are often grazing on land, whereas Australian Shelducks may be seen on water.
• Listen for vocal differences: grunting in Cape Barren Goose vs. varied calls in Australian Shelduck.

Size

The Cape Barren Goose is generally bulkier and more robust compared to the more streamlined Australian Shelduck.

Plumage

Cape Barren Goose has a mostly grey body with black spots and a unique greenish-yellow bill. In contrast, the Australian Shelduck features a dark head, white collar, and a chestnut breast, with males and females showing slight differences in plumage.

Behaviour

Cape Barren Geese are often seen grazing on land, while Australian Shelducks may be observed both on water and land, sometimes in pairs or small groups.

Habitat

Both species inhabit open grasslands and wetlands, but the Cape Barren Goose is more likely to be found in coastal areas and islands, whereas the Australian Shelduck is more widespread across various wetland environments.

Voice

Cape Barren Goose vocalizations are low-pitched and grunting, while the Australian Shelduck has a more varied and higher-pitched call.