Great Thick-knee vs Beach Thick-knee

In short

The Great Thick-knee and Beach Thick-knee are large waders with similar structures, but they can be distinguished by their habitat preferences and some subtle plumage differences. The Great Thick-knee is often found inland near rivers and lakes, while the Beach Thick-knee is typically coastal.

Identification tips

1. Habitat: Check the location; Great Thick-knee prefers inland freshwater, while Beach Thick-knee is coastal. 2. Plumage: Look for the white wing bar in Great Thick-knee during flight. 3. Size and Structure: Note the slightly larger bill and bulkier build of the Beach Thick-knee. 4. Vocalization: Listen for the loud, wailing call of the Great Thick-knee.

Size

Both species are large and robust, but the Beach Thick-knee is generally bulkier with a slightly larger bill.

Plumage

The Great Thick-knee has a more pronounced white wing bar visible in flight and a paler overall appearance. The Beach Thick-knee has a darker, more uniform plumage with less contrast.

Behaviour

Both species are generally solitary or found in pairs, but the Beach Thick-knee is more likely to be seen on sandy beaches and mudflats, while the Great Thick-knee is often near freshwater.

Habitat

The Great Thick-knee is found near inland rivers and lakes, whereas the Beach Thick-knee is restricted to coastal areas, particularly sandy beaches and coral islands.

Voice

The Great Thick-knee has a distinctive, loud, wailing call, while the Beach Thick-knee's call is less documented but generally quieter.