Aggression within a honeyeater community was examined on both diurnal and seasonal scales over a period of one year. Aggression was more common in the morning and afternoon than at midday. Honeyeaters were most abundant during the flowering of two banksias. Most aggressive interactions were recorded during these months. It is suggested that the level […]
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Showing 12 of 1617 documents
Showing 12 of 1617 documents
THE IMPACT OF URBAN DEVELOPMENT ON BIRD COMMUNITIES OF THREE VICTORIAN TOWNS – LILYDALE, COLDSTREAM AND MT EVELYN
Posted: 25/09/2021During 1982 an avifauna census was conducted in the outer Melbourne areas of Lilydale, Coldstream and Mt Evelyn, Victoria. Data were collected along foot transects at nine different sites. The sites were chosen to give a range of residential ages, from predeveloped (before housing development had started) through to some of the oldest residential areas […]
Read MoreTHE RELIABILITY OF ESTIMATES OF DENSITY FROM TRANSECT COUNTS
Posted: 25/09/2021Densities were estimated from transect counts for seven species at Wollomombi, New South Wales. These estimates are compared with accurate densities derived from intensive studies of colour-banded birds. Also estimates of density of the Golden-headed Cisticola Cisticola exilis, at Port Moresby, Papua New Guinea, are compared with seasonal changes in behaviour of that species. Three […]
Read MoreAUSTRALIAN BIRD STUDY – AN EDITORIAL
Posted: 25/09/2021Recovery Round-up: Volume 10 – Issue 4
Posted: 25/09/2021BIRDS KILLED ON SOME SECONDARY ROADS IN WESTERN AUSTRALIA
Posted: 25/09/2021Between January 1984 and December 1985 the corpses of 127 birds of 32 species were collected during routine journeys along secondary roads in an area of approximately 40 sq. km near Manjimup in the south west of Western Australia. Peak months were November to March and 57% of the casualties were juveniles. Ten banded birds […]
Read MoreOBSERVATIONS ON NESTING BEACH THICK-KNEES Burhinus neglectus AT RED ROCK, NEW SOUTH WALES
Posted: 25/09/2021Observations on Beach Thick-knees breeding at Red Rock on the N.S.W. north coast are presented. Plumage details of juvenile and adult birds are discussed and measurements of juveniles included. Eleven breeding attempts were observed and the details of these are tabulated. Breeding success was affected by both natural phenomena and human activity. Other aspects of […]
Read MoreTHE MOULTS AND PLUMAGES OF THE MANED DUCK Chenonetta jubata ON THE SOUTHERN TABLELANDS OF N.S.W.
Posted: 25/09/2021The moults and plumages of a wild population of Maned Ducks Chenonetta jubata were studied. Descriptions of duckling plumage development are presented so that they may be used to identify duckling age in the field. Characteristics of a distinct juvenal plumage are also described. The distribution of body moult shows a peak in moult activity […]
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