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Showing 12 of 1617 documents
Showing 12 of 1617 documents
A COMPARISON OF TWO CENSUS METHODS FOR BIRDS IN A SOUTH-WESTERN AUSTRALIAN HEATHLAND
Posted: 21/07/2021An instantaneous point method (Pyke 1983) and mist-netting were used to census birds simultaneously on 19 field trips over three years in dense heathland at one site on the south coast of Western Australia. Of the 29 bird species recorded, eight were never netted and six were never sighted. Mist-netting appears to over-represent small species […]
Read MoreNOTES ON THE SIXTH SPECIMEN RECORD OF THE THREE-TOED SWIFTLET Aerodramus papuensis IN PAPUA NEW GUINEA
Posted: 21/07/2021The Three-toed Swifllet Aerodramus papuensis Rand is a poorly known and enigmatic member of the Family Apodidae. There are four uniformly dark swifllets in New Guinea and they are impossible to separate in the field. In the hand however, the Three-roed Swiftlet can be readily separated by the number of toes and the absence of […]
Read MoreSURVEYS OF THE BARKING OWL AND MASKED OWL ON THE NORTH-WEST SLOPES OF NEW SOUTH WALES
Posted: 21/07/2021Field surveys of the Barking Owl Ninox connivens and Masked Owl Tyto novaehollandiae were conducted at 49 sites (110 survey points) on the North-west Slopes and adjoining western parts of the Northern Tablelands of New South Wales, to investigate their status in remnant vegetation on public and private land. The surveys were conducted over three […]
Read MoreFURTHER CHANGES TO THE BREEDING SEABIRDS OF LANCELIN ISLAND, WESTERN AUSTRALIA
Posted: 21/07/2021A new colony of Common Noddies Anous stolidus on Lancelin Island, Western Australia, increased rapidly from the nucleus of five nesting pairs first detected in January 1992. The growth in the number of breeding pairs was exponential between the 1994/95 and 1997/98 seasons, slowing to a 30 per cent increase in 1998/99. However, in 1999/00 […]
Read MoreRecovery Round-up: Volume 26 – Issue 4
Posted: 20/07/2021MOVEMENTS OF TWO EXPERIMENTALLY DISPLACED BROWN TREECREEPERS Climacteris picumnus IN A MATRIX OF WOODLAND AND PASTURE
Posted: 20/07/2021Previous work found that Brown Treecreepers Climacteris picumnus were unable to disperse to isolated woodland patches in the New England Tablelands, northern New South Wales. I attempted to understand dispersal behaviour by testing how Brown Tre ecreepers react to landscape patterns while moving. I radio-tagged two male Brown Treecreepers on their resident territories and released […]
Read MoreA BANDING STUDY OF THE GREY GRASSWREN Amytornis barbatus barbatus IN THE CARYAPUNDY SWAMP OF SOUTH-WESTERN QUEENSLAND
Posted: 20/07/2021Grey Grasswrens Amytornis barbatus barbatus were studied in an 11 hectare area of tall, dense Lignum Muehlenbeckia cunninghamii in the Caryapundy Swamp of south-western Queensland between 1984 and 1996. One hundred and ninty-three individuals were captured and banded and 35 (18.1 %) individuals were retrapped a total of 46 times. A pair of grasswrens with […]
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