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Showing 12 of 38 documents

Changes in the numbers of Waterbirds on Llangothlin Lagoon, NSW, in relation to the water level and distant flooding, 1981-84

Category: Issue 4
Author(s): White
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Waterbirds on Llangothlin Lagoon, New South Wales were counted regularly between 1981 and 1984 and their numbers related to water level and to the occurrence of floods on inland rivers. Some species responded differently to local conditions in a period of widespread drought than they did in times of average or above rainfall. The implications […]

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Measurements of the Noisy Pitta Pitta versicolor in Australia.

Category: Issue 4
Author(s): Peter Woodall
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Measurements of the wing, tail, tarsus and culmen of the Noisy Pitta Pitta versicolor show no sexual dimorphism but significant latitudinal increases, southwards from Cape York Peninsula. This follows Bergmann’s Rule. These geographic differences, and the lack of any seasonal differences, suggest that there is no extensive north-south movement of Noisy Pittas in the southern […]

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Interspecific aggressive behaviour between Robins and other birds in Eucalypt Forest.

Category: Issue 4
Author(s): Doug Robinson
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Records were kept for 328 interactions between Scarlet/Flame Robins and other landbirds at a site in south-eastern New South Wales. Fifty-seven per cent of interactions were between robins and other ground-foragers, particularly with Jacky Winter (41 %). Bark-foragers, foliage-foragers and honey- eaters were rarely, if over, attacked, except when they came near nests of robins. […]

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Breeding of Rainbow Bee-Eaters in Southern Victoria

Category: Issue 4
Author(s): Alan Lill
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Rainbow Bee-eaters Merops ornatus studied over a six-year period in southern Victoria excavated nesting burrows in creek banks and nearby flat or sloping terrain; sites, but not burrows, were commonly used in more than one season. Nesting dispersion varied from solitary to loosely clustered. Egg-laying commenced in early November and hatching and fledging peaked in […]

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Cycle of Colour Changes in Cattle Egrets Ardeola ibis coromandus in Australia determined from field observations of marked birds.

Category: Issue 4
Author(s): Max Maddock
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Colour changes in nestlings and the timing and nature of changes in colour which take place in adults before, during and after the nesting season, as determined from field observations of marked birds, are described for the Cattle Egret Ardeola ibis coromandus at two Australian breeding colonies. Nestlings have a yellow beak at hatching, which […]

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The status of Queensland Seabirds.

Category: Issue 3
Author(s): King
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A survey was made of seabird populations and breeding islands from Cape York south to off Mackay between 1979 and 1990. These data are supplemented with that of others from the Gulf of Carpentaria, the Torres Strait, and other islands of the Great Barrier Reef and south of Mackay to the Queensland/ New South Wales […]

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Movements of Grey Teal Anas gracilis from a drying, arid zone wetland

Category: Issue 2
Author(s): Lawler, Kingsford, Briggs and Milkovits
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Grey Teal (746) were banded on Lake Salisbury, an ephemeral lake in north-western New South Wales in June 1987, before the lake dried. By June 1991, 19 of these birds had been shot by hunters in south-eastern Australia, and their bands recovered. Such recoveries show that Grey Teal, including juveniles, travel to wetlands in south-eastern […]

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