Raja Shelduck
Raja ShelduckRaja ShelduckRaja ShelduckRaja Shelduck

Raja Shelduck

Radjah radjah

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
40–50% · Likely
overall probability at Kakadu National Park
637 Verified records at Kakadu National Park
October Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The radjah shelduck (Radjah radjah) is a species of shelduck found mostly in New Guinea and Australia, and also on some of the Moluccas. It is known alternatively as the raja shelduck, black-backed shelduck, or in Australia as the Burdekin duck. Wikipedia →

40–50% of wildlife watchers report a Raja Shelduck sighting in Kakadu National Park, based on 637 days of visitor records from GBIF citizen-science data.

Closest Relatives at Kakadu National Park

Green Pygmy-Goose
LC

Green Pygmy-Goose

☀️ Diurnal Bird

Nettapus pulchellus

40–50% · Likely
Plumed Whistling Duck
LC

Plumed Whistling Duck

☀️ Diurnal Bird

Dendrocygna eytoni

40–50% · Likely
Wandering Whistling Duck
LC

Wandering Whistling Duck

☀️ Diurnal Bird

Dendrocygna arcuata

40–50% · Likely
Pacific Black Duck
LC

Pacific Black Duck

☀️ Diurnal Bird

Anas superciliosa

10–20% · With luck
Grey Teal
LC

Grey Teal

☀️ Diurnal Bird

Anas gracilis

<5% · Rare
Australian Wood Duck
LC Endemic

Australian Wood Duck

☀️ Diurnal Bird

Chenonetta jubata

<5% · Rare
White-eyed Duck
LC

White-eyed Duck

☀️ Diurnal Bird

Aythya australis

Insufficient data
Pink-eared Duck
LC Endemic

Pink-eared Duck

☀️ Diurnal Bird

Malacorhynchus membranaceus

Insufficient data
Magpie Goose
LC

Magpie Goose

☀️ Diurnal Bird

Anseranas semipalmata

50–60% · Likely

📅 Monthly Probability

30–40
Jan
40–50
Feb
30–40
Mar
40–50
Apr
40–50
May
40–50
Jun
30–40
Jul
40–50
Aug
40–50
Sep
60–70
Oct
60–70
Nov
30–40
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Daintree National Park 🇦🇺 Australia
50–60%
2 Kakadu National Park 🇦🇺 Australia
40–50%
3 Litchfield National Park 🇦🇺 Australia
20–30%
4 Nitmiluk National Park 🇦🇺 Australia
5–10%

Quick answers

What are the chances of seeing a Raja Shelduck in Kakadu National Park?

About 47% of wildlife watchers report a Raja Shelduck sighting in Kakadu National Park, based on 637 days of visitor records from GBIF citizen-science data.

When is the best time to see Raja Shelduck in Kakadu National Park?

October has the highest sighting rate for Raja Shelduck in Kakadu National Park in our monthly data.

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