SummaryObservations are recorded on the birds of two neighbouring islands in Lake Alexandrina, South Australia, including the first report for that Stale of a substantial breeding colony of the White Egret,Egretta alba.Notes are given on the second report of the breeding of the Glossy Ibis,Plegadis falcinellus, in South Australia, together with observations on a Little Egret,Egretta garzetta, in full breeding plumage.