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Showing 12 of 1617 documents
Showing 12 of 1617 documents
SIZE DIFFERENCES IN MALE AND FEMALE ‘GREEN’ SATIN BOWERBIRDS Ptilonorhynchus violaceus
Posted: 08/08/2021Satin Bowerbirds were trapped, measured and surgically sexed. Sexing criteria were established using tarsus length and wing length. Males are considered to have a tarsus length greater than 57.5 mm and a wing length greater than 161 mm. Females had a tarsus length less than 58.0 mm and a wing length less than 162 mm.
Read MoreSURVIVAL OF BROWN AND STRIATED THORNBILLS IN THE BRINDABELLA RANGE, AUSTRALIAN CAPITAL TERRITORY
Posted: 08/08/2021Brown and Striated Thornbills were banded at New Chums Road in the Brindabella Range, Australian Capital Territory from 1961 to 1982. Both species appeared to be sedentary once they established territories although there is some indication that the territories of Striated Thornbills were held by small groups. The mean annual survival rate of adult Brown […]
Read MoreMANAGEMENT OF RIVER RED GUMS FOR WATERBIRD NESTING
Posted: 08/08/2021In order to breed, waterbirds require appropriate sites for their nests. Most nests of waterbirds (families Pelecaniformes, Ciconiiformes) in River Red Gum wetlands were in clumps of live, mature trees next to open water. Often these Red Gums had branches leaning over the water. Retention of these nest trees is essential for waterbird conservation. The […]
Read MoreCONTRIBUTION OF INTRODUCED FRUITS TO THE WINTER DIET OF PIED CURRAWONGS IN ARMIDALE, NEW SOUTH WALES
Posted: 08/08/2021Pied Currawong abundance was surveyed in 1988, 1989 and 1990 in Armidale, New South Wales. Pied Currawongs congregated each April and dispersed in the following September. This pattern is consistent with other studies in south eastern Australia and is best explained in terms of a combination of dietary shifts and breeding pressure. The seed dispersal […]
Read MoreRELATIVE ABUNDANCE OF BIRD SPECIES IN ROADSIDE VEGETATION AT MARBURG, SOUTH-EAST QUEENSLAND
Posted: 08/08/2021Nine transects in south-east Queensland were censused eight times over two years to determine relative abundance of bird species and their distribution between roadside softwood scrub remnants and eucalypt associations. Eighty-eight species were observed; 80 in the softwood scrub and 56 in the eucalypt associations, with 48 common to both habitats. On average, 50 individual […]
Read MoreCO-OPERATIVE CARE IN THE SINGING HONEYEATER Lichenostomus virescens
Posted: 08/08/2021A rehabilitated juvenile Singing Honeyeater Lichenostomus virescens was observed in a suburban garden, approximately 15 km from its place of hatching, for 11 days. The juvenile was visited by at least one adult Singing Honeyeater more than 20 times, and was fed on nine occasions. In addition, a distraction display involving three adult Singing Honeyeaters […]
Read MoreIMPORTANCE OF SAMPLING DURATION AND STRIP WIDTH IN USE OF THE FIXED-WIDTH STRIP TRANSECT METHOD FOR ESTIMATION OF BIRD ABUNDANCE AND SPECIES DIVERSITY
Posted: 08/08/2021The fixed-width strip transect method is increasingly becoming an important bird sampling technique in Australia. In this survey, different sampling durations and strip widths were evaluated for the sampling of birds in Yellow Box woodland remnants in the ACT. The survey showed that the choice of sampling duration and strip width had a significant effect […]
Read MoreEditorial: Volume 19 – Issue 3
Posted: 08/08/2021Recovery Round-up: Volume 19 – Issue 3
Posted: 08/08/2021OBSERVATIONS ON THE DIET OF THE LEWIN’S HONEYEATER Meliphaga lewinii IN THE ILLAWARRA RAINFOREST, NEW SOUTH WALES
Posted: 08/08/2021Observations were made on the feeding behaviour of Lewin’s Honeyeaters over a five year period. The species of plant which contributed fruit to the diet were recorded for each month of the year. Lewin’s Honeyeaters in the lllawarra region of New South Wales were found to consume the fruit of 22 native and 2 introduced […]
Read MoreMOVEMENT PATTERNS OF PIED CURRAWONGS Strepera graculina IN CENTRAL EASTERN NEW SOUTH WALES
Posted: 08/08/2021During 1988 and 1989 a total of 254 Pied Currawongs was trapped and colour-banded at Springwood, New South Wales. The data resulting from this study show a build up of Pied Currawong numbers at Springwood from January to a peak in April. Numbers then declined with only isolated breeding pairs present from September to December. […]
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