Grey Amytornis barbatus The (Amytornis barbatus) is a small found only in floodplain country of the far north-east of , FACT SHEET | Threatened Fauna south-west Queensland and the north-west of New South Wales. The species was described in 1968 from collected in the Grey Grasswren floodplain on the Queensland/New South Wales border. A second population found in South Australia in 1975 was Amytornis barbatus subsequently recognised as a separate subspecies. This Lake Eyre Basin subspecies (Amytornis barbatus diamantina) is currently only known from South Australia and Eyre Creek south-west Queensland. A close-up of a Grey Grasswren, captured in Lignum floodplain IDENTIFICATION habitat at Goyder’s Lagoon, Like other Grasswren species, Grey South Australia (below). are shy, elusive birds that are expert at remaining hidden. They move

between dense Lignum clumps without Pedler Lynn being seen by flying low or running along the ground. Their presence is sometimes only given away by their soft calls – a high pitched ‘tsit-tsit’ which may resemble a cricket or other insect- like noises. Grey Grasswrens will very occasionally Grey Grasswrens perch on top of a bush or Lignum clump, can be distinguished allowing a better look. When observed from Fairy (Blue) in full view these birds appear quite , which may greyish on their wings and back, with also inhabit Lignum some fine streaking and a pale belly habitat, by their and sides. Their face is white, with a slightly larger size, distinctive black pattern through the eye facial pattern, and around the throat. This conspicuous conspicuous long marking has resulted in their specific tails, higher name of barbatus – from Latin, pitched calls and meaning bearded. much more Male and female Grey Grasswrens secretive behaviour. are alike, but juveniles can sometimes be distinguished by paler markings and a shorter tail.

Silhouette; adult size Grey Grasswren (left) compared with a Zebra FInch.

1 A Grey Grasswren (left) showing the distinctive facial markings, long tail and larger size than other wrens found in the floodplain, such as the female (right) . Graeme Chapman Graeme

HOW CAN YOU HELP?

Graeme Chapman Graeme If you think you have seen a Grey Grasswren within or beyond the locations shown on the distribution map please let us know. Note the location so that your written record HABITAT AND DISTRIBUTION can be used to find the same place Since discovery on the Bulloo River Grey Grasswrens are found throughout again. A GPS fix or map reference would be very helpful, as would notes Floodplain, the known range of the the vast floodplains of inland river on the habitat or any other relevant Grey Grasswren has been extended systems and use areas with thick shrubs information. in South Australia and Queensland. such as dense Lignum (Muehlenbeckia Within South Australia, nearly all florentia) clumps or Old Man Saltbush HOW CAN YOU sites are within , with (Atriplex numularia) sometimes with CONTACT US? several further records of the species in an overstorey of Coolibah (Eucalyptus floodplain habitat further downstream coolabah) or River Cooba (Acacia To report your observation or for in the Warburton Creek floodplain. stenophylla). further information about Grey Grasswrens contact the Community There were also reports from a single In some areas Grey Grasswrens have Fauna Officer, Natural Resources, SA site in the system, west been found only in long-unburnt Arid Lands. of Innamincka in the 1980s. Revisits Lignum and not in areas that have been to this area have failed to confirm burnt within the previous 5-10 years, RESOURCES this record; however Grey Grasswrens suggesting that this regrowth may have more recently been recorded not be suitable habitat for many years Ehmann, H. (2006). South Australian further upstream on the Cooper Creek following fires. Rangelands and Aboriginal Lands Wildlife Management Manual: a in Queensland. More work is needed resource handbook. Dept of Water, to find out whether these birds still POTENTIAL THREATS TO GREY Land and Biodiversity Conservation, inhabit the Cooper Creek system within South Australia. South Australia. GRASSWREN The significance of potential threats to the Grey Grasswren requires further investigation. Impacts on vegetation through intensive grazing by domestic stock and introduced herbivores has been determined as a major threat to the species in Queensland and this may also be the case in South Australia. Changed fire regimes in floodplain habitat (either natural or human induced) may also have the potential to significantly impact on Grey Natural Resources SA Arid Lands Grasswrens, as would future changes 8648 5300 in flow frequency of inland rivers as a [email protected] result of upstream regulation. www.saalnrm.sa.gov.au March 2013 Grey Grasswren national distribution showing the Lake Eyre Basin subspecies (blue), the Bulloo River subspecies (yellow) and sub-populations for which the is unknown (red). 2