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Calls and vocal behaviour of the Black Falcon Falco subniger

Posted: 20/11/2017
Publication: Corella
Category: Volume 41
Author(s): S. J. S. Debus, A. L. Bauer and F. W. van Gessel

Some calls of the Black Falcon Falco subniger (adult female cackle calls and begging whines, adult male creaking call) are described and illustrated, together with quantification of calling rates of both sexes at four active nests near Tamworth, NSW. Females were more vocal than males at all stages of the breeding cycle. Black Falcon cackle […]

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Home-range and behaviour of a fledgling Little Eagle Hieraaetus morphnoides in the Australian Capital Territory

Posted: 20/11/2017
Publication: Corella
Category: Volume 41
Author(s): J. Olsen, S. Trost, B. Gruber and T. Long

A juvenile Little Eagle Hieraaetus morphnoides was radio-tagged and followed from the day it left the nest until it dispersed 12 weeks later. Two methods, minimum convex polygons (MCP) and kernel analysis, were used to estimate its home range. Home range increased in size progressively over the 12 weeks of the post-fledging period, from 0.001 […]

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Breeding biology, behaviour and foraging ecology of the Black Falcon Falco subniger near Tamworth, New South Wales

Posted: 20/11/2017
Publication: Corella
Category: Volume 41
Author(s): S. J. S. Debus, A. L. Bauer and G. I. Mitchell

The breeding biology and behaviour of the Black Falcon Falco subniger were studied in the Tamworth district (northern inland New South Wales) through 146 hours of observation over 47 days in 2015 (one pair, pre-laying to early incubation) and 261 hours of observation over 69 days in 2016 (four pairs, pre-laying to fledging, with checks […]

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Inflated clutch size in the Superb Lyrebird Menura novaehollandiae

Posted: 03/10/2017
Publication: Corella
Category: Volume 41
Author(s): Alex C. Maisey, Janet M. Incoll and Sally M. White

Members of the Sherbrooke Lyrebird Survey Group have recorded single-egg clutches as being the norm for the Superb Lyrebird Menura novaehollandiae in Sherbrooke Forest, but occasionally there are two eggs present in a single nest. Here, we report the first record of a three-egg clutch for the Superb Lyrebird. On 20 August 2016, we discovered […]

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