South Australian Ornithologist, Volume 46 Posted on 30/11/2021 Share with Volume 46, Parts 1-2, November 2021 Contents Distribution and conservation status of the Rufous Grasswren Amytornis whitei on north-eastern Eyre Peninsula and in the Yellabinna, South Australia Karl Jones, Graham Carpenter and Andrew Black. pp. 1-12. Three formerly sympatric grasswrens in Central Australia: specimen evidence, collection localities, habitats and present status Andrew Black and Julian Reid. pp. 13-32. Decline of a cryptic desert bird, the Thick-billed Grasswren, in the northern Flinders Ranges, South Australia Alex Nankivell and Andrew Black. pp. 33-47. Typification of the scarlet form of Crimson Rosella Platycercus elegans fleurieuensis Ashby, 1917 Richard Schodde, Andrew Black, Philippa Horton and Brian Blaylock. pp. 48-52. Bird Notes First record of Semipalmated Plover Charadrius semipalmatus in South Australia Maureen Christie, Jeff Campbell, Robert Green and Helen Vaughan pp. 53-55. A record of Common Ringed Plover Charadrius hiaticula for South Australia Colin Rogers and Christine Taylor pp. 56-60. A probable hybrid ibis near Port Wakefield, South Australia Paul Taylor pp. 61-62. Further early records of the Galah in Central Australia support evidence of its distributional expansion into new territory Andrew Crouch pp. 63-65. Obituary William Kent Treloar – 7 May 1952 to 24 July 2020 Terry Dennis pp. 66-72. Book Review Idling in Green Places: A Life of Alec Chisholm by Russell McGregor Penny Paton pp. 73-75. Errata Birds of the Greater Reedbeds Penny Paton pp. 76.