 Nesting has also been recorded in Exmouth Gulf and southwest Western Australia, the southwest of the Northern Territory, and the Clarence River district and northwest of New South Wales.The birds nest in colonies of up to 50 pairs, and have more than one nest and brood at once.At times their nests are close to those of spotted harriers ("Circus assimilis"), black kites ("Milvus migrans"), whistling kites ("Haliastur sphenurus"), brown falcons ("Falco berigora") and black falcons ("Falco subniger").