Day 26, Goolwa to Swan Hill

Cool and partly cloudy conditions greeted us as we swung into action to prepare the aircraft and our equipment for the morning's counting. Our first location after departing Goolwa is the Muray Channel upstream of Waikerie and then progressively working our way upstream to Mildura.

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Barmah Lake, aerial waterbird survey, 2025

Photo: Barmah-Millewa wetlands


Looking back to Lake Alexandrina

Survey details

  • Calendar plane icon
    Date

    Thursday 6th November 2025

  • Paper write icon
    Author

    John Porter

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    Project
  • Style three pin binoculars icon
    Observers

    John Porter (NSW DCCEEW), Richard Kingsford (UNSW), Heath Dunstan (Vic GMA), Shelley Thompson (MDBA)

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    Pilot

    Thomas Martin

As anticipated there are relatively few birds along the Murray river channel – mainly Pelican, cormorants, Darters and a few Black Duck or Wood Duck.
Our next stop is Noora salt evaporation ponds. These were constructed in the early 1980’s to intercept saline ground water to prevent it from entering the River Murray. This created a shallow saline wetland that can support large numbers of birds. Today there are several thousand Grey Teal as well as Chestnut Teal, Black Swans, Coot and terns.
After refueling at Mildura, we head southeast to Lake Mulwala, a man-made reservoir created by the Yarrawonga Weir across the River Murray.
Lake Mulwala is about 96% full and we count moderate numbers of Black Swan, cormorants, Darters and Silver Gull with a few White Ibis nesting on a small island.
Barmah wetlands, aerial waterbird survey, 2025
Barmah channel, aerial waterbird survey, 2025
Moira Lake, aerial waterbird survey, 2025
Barmah wetlands, aerial waterbird survey, 2025

The red gum forests and wetlands of Barmah-Millewa are our next stop - it’s one of the largest and most intact areas of forest left on the Murray.

After flooding in previous years water levels have receded considerably and our regular wetland sites are the driest we’ve seen them.

Moira Lake has only a shallow pond in the southern end as its dries rapidly and there are few birds.

Most of the other wetlands (eg Reedy, Top, Harbours Lakes as well as Douglas Swamp and Boals Deadwoods) have few waterbirds – mainly ibis, herons and egrets with a few pelicans, grey teal and black duck. There were no breeding rookeries detected.

The main river channel in Gunbower-Koondrook-Perricoota icon site had low numbers of waterbirds - a few Pelicans, cormorants, Darters. Most of the floodplain areas are dry except for a few small billabongs.
Our next destination is the river channel near Mildura. We found low numbers of waterbirds -a few Pelicans, cormorants, Darters and Wood Ducks. Our final stop for the evening is Swan Hill.
Aerial survey team Day 26, L-R: Tom Martin, Richard Kingsford, Shelley Thompson, John Porter

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