Corella Documents – Page 119

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Analysis of breeding data of the Welcome Swallow Hirundo neoxena near Manjimup, Western Australia

Posted: 23/03/2021
Author(s): Sian Simojoki and S.J.J.F. Davies

Breeding data on the Welcome Swallow (Hirundo neoxena) collected by Dick and Molly Brown at the Middlesex Field Study Centre, near Manjimup, Western Australia, were analysed and compared with data from Sydney, Tasmania and New Zealand. The mean clutch size in Middlesex (3.06) was considerably lower than in Sydney (3.86), Tasmania (4.03) and New Zealand […]

Declining Little Eagles Hieraaetus morphnoides and increasing rabbit numbers near Canberra: is secondary poisoning by Pindone the problem?

Posted: 23/03/2021
Author(s): Jerry Olsen, S. J. S. Debus and David Judge

The Little Eagle Hieraaetus morphnoides is declining in parts of south-eastern Australia, including the Australian Capital Territory (ACT) , even though the number of European Rabbits Oryctolagus cuniculus is increasing. A nonpathogenic lagovirus related to Rabbit Haemorrhagic Disease Virus (RHDV) is protecting rabbits from RHD in cooler areas of south-eastern Australia. Consequently, the chemicals Pindone […]

Numbers of breeding Little Eagles Hieraaetus morphnoides in the Australian Capital Territory in relation to atlas counts

Posted: 23/03/2021
Author(s): S. J. S. Debus, Jerry Olsen, David Judge and M. Butterfield

The Little Eagle Hieraaetus morphnoides is undergoing a severe decline in parts of south-eastern Australia, including the Australian Capital Territory, even though atlas reporting rates may suggest that Little Eagle numbers are stable or declining only moderately. We compared trends in atlas reporting rates of the Little Eagle, and the number of occupied Little Eagle […]

Diets of Wedge-tailed Eagles Aquila audax and Little Eagles Hieraaetus morphnoides breeding near Canberra, 2008–2009

Posted: 23/03/2021
Author(s): Jerry Olsen, S. J. S. Debus, David Judge and A. B. Rose

In the Australian Capital Territory during 2008–09, the diet of breeding Wedge-tailed Eagles Aquila audax consisted of 65 per cent mammals, 33 per cent birds and 1 per cent reptiles by number (n = 94 prey items from 10 nests), of which 19 per cent consisted of macropods, 34 per cent rabbits (mostly adults, plus […]

Banding Snippet: The travels of Little Tern Sternula albifrons ABBBS Band No. 041-36223

Posted: 23/03/2021
Author(s): Darryl McKay

Recovery Round-up: Volume 37 – Issue 1

Posted: 23/03/2021
Author(s): Alan Leishman

Book Review: The Field Guide to the Birds of Australia (Ninth Edition)

Posted: 23/03/2021
Author(s): Judy Smith

Seabird Islands: No. 21/1 – Inner Rock, Broughton Group, New South Wales

Posted: 23/03/2021
Author(s): Nicholas Carlile, David Priddel and Susanne Callaghan

Seabird Islands: No. 254 – Looking Glass Isle, Broughton Group, New South Wales

Posted: 23/03/2021
Author(s): Nicholas Carlile, David Priddel and Susanne Callaghan

Diets of White-bellied Sea-Eagles Haliaeetus leucogaster and Whistling Kites Haliastur sphenurus breeding near Canberra, 2003–2008

Posted: 23/03/2021
Author(s): Jerry Olsen, S. J. S. Debus, A. B. Rose and David Judge

During 2003–2008, in and near the Australian Capital Territory, the diet of breeding White-bellied Sea-Eagles Haliaeetus leucogaster consisted of 8 per cent mammals (1% macropod, 1% hare), 42 per cent birds (33% waterbirds), 9 per cent turtles and 40 per cent fi sh by number (n = 78 items from four nests). Breeding Whistling Kites […]

Prey deliveries at eight nests of the Southern Boobook Ninox novaeseelandiae in Canberra

Posted: 23/03/2021
Author(s): Jerry Olsen, David Judge, Susan Trost and Jeannine Lisle

In raptors, males are said to deliver most of the prey items during the breeding season. In this study we compared male versus female prey deliveries at eight nests of Southern Boobook Ninox novaeseelandiae in Canberra. We observed the incubation period on 103 nights, nestling /fl edging period on 143 nights, for a total of […]

Breeding of the Australian White Ibis Threskiornis molucca in the urban environment

Posted: 23/03/2021
Author(s): Andrew C. M. Smith, K. Heidy Kikillus, Geoff Ross and Ursula Munro

The Australian White Ibis Threskiornis molucca has increased dramatically in the urban environment since the 1970s and requires management. Currently information on its breeding, a prerequisite for appropriate management, is scarce. We studied the reproduction of Australian White Ibises at two urban sites in the wider Sydney area over an entire year. In comparison to […]