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Articles 1 - 3 of 3
Full-Text Articles in Life Sciences
Nocturnal Roost Tree, Roost Site And Landscape Characteristics Of Carnaby's Black-Cockatoo (Calyptorynchus Latirostris) On The Swan Coastal Plain, Candice Le Roux
Nocturnal Roost Tree, Roost Site And Landscape Characteristics Of Carnaby's Black-Cockatoo (Calyptorynchus Latirostris) On The Swan Coastal Plain, Candice Le Roux
Theses: Doctorates and Masters
There is limited information on communal roosting in parrot species of Western Australia and other parts of the world. Carnaby’s Black-Cockatoo is an endangered species that forms large nocturnal communal roosts, and for this reason they are an ideal model species to test the characteristics or factors that are associated with roost sites. Known roost sites distributed across the Swan Coastal Plain were identified and selected through the Great Cocky Count project. A minimum of five and maximum of ten individual trees were assessed at 11 roost sites with an overall total of 95 roost trees sampled. I determined the …
The Reproductive Biology And Temporal Distribution Of A Great Egret And Nankeen Night Heron Colony At The Perth Zoo, Robyn Phillimore
The Reproductive Biology And Temporal Distribution Of A Great Egret And Nankeen Night Heron Colony At The Perth Zoo, Robyn Phillimore
Theses: Doctorates and Masters
A colony of Great Egrets (Ardea alba) and Nankeen Night Herons (Nycticorax caledonicus) has existed at the Perth Zoo in Metropolitan Perth for over 25 years. The colony is particularly significant for the conservation and management of Great Egrets in Western Australia as it is the only colony located in the Metropolitan area. Baseline information of their breeding biology was needed to facilitate the development of management guidelines for the zoo colony. Foraging behaviour was used to highlight specific adaptations in hunting strategies and diet. However, it was not possible to observe foraging Nankeen Night Herons as they forage at …
Landscape Differences In The Ecology Of The Rufous Treecreeper Climacteris Rufa, Gary W. Luck
Landscape Differences In The Ecology Of The Rufous Treecreeper Climacteris Rufa, Gary W. Luck
Theses: Doctorates and Masters
Anthropogenic habitat modification is a significant threat to the conservation or global biodiversity. The fragmentation and alteration of woodland habitat has resulted in the substantial decline of many woodland bird species in the agricultural regions of southern Australia. The Rufous Treecreeper Climacteris rufaa, a once common woodland resident, has declined in abundance in the wheatbelt of Western Australia and appears to be sensitive to habitat fragmentation. The reasons for this are unclear because our knowledge of the species and the threats posed by fragmentation arc limited. In this study, I compared the social organisation, habitat selection, reproductive success, dispersal and …