Chapter 5 Feeding Ecology of the Australian Raven on Rottnest Island

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COPYRIGHT ACKNOWLEDGEMENT I acknowledge that a copy <strong>of</strong> this <strong>the</strong>sis will be held at <strong>the</strong> Murdoch University Library. I understand that, under <strong>the</strong> provisions <strong>of</strong> s51.2 <strong>of</strong> <strong>the</strong> Copyright Act 1968, all or part <strong>of</strong> this <strong>the</strong>sis may be copied without infringement <strong>of</strong> copyright where such a reproduction is for <strong>the</strong> purposes <strong>of</strong> study and research. This statement does not signal any transfer <strong>of</strong> copyright away from <strong>the</strong> author. Signed: …………………………………………………………... Full Name <strong>of</strong> Degree: …………………………………………………………………... Thesis Title: Ecological Impacts <strong>of</strong> <strong>Australian</strong> <strong>Raven</strong>s on Bush Bird Communities on Rottnest Island Author: Claire Anne Stevenson Year: 2011
Page 1: Ecological Impacts of</stro
Page 6 and 7: irds can be assessed to confirm tha
Page 8 and 9: 3.3.4 Demographics 43 Sex, age and
Page 10 and 11: List of Figures Fi
Page 12 and 13: viii
Page 14 and 15: (Acanthizidae), robins (Petroicidae
Page 16 and 17: 1.3 Research Questions The overall
Page 19 and 20: Chapter 2 Terrestr
Page 21 and 22: in its functions the</stron
Page 23 and 24: provided by the Go
Page 25 and 26: present (Storr, Green and Churchill
Page 27: Figure 2.3: Major vegetation associ
Page 30 and 31: presence was recorded when birds we
Page 32 and 33: Rottnest Island has not been record
Page 34 and 35: Streptopelia chinensis Spotted Turt
Page 36 and 37: Table 2.2 : Literature review: Terr
Page 38 and 39: with Storr first observing
Page 40 and 41: Figure 2.4 : Distribution o
Page 42 and 43: The six bush bird species examined
Page 44 and 45: Chapter 3 Biology
Page 46 and 47: such as ridges and forest edges. Bo
Page 48 and 49: Although there has
Page 50 and 51: Third Year Adult (3+) White Black B
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3.3 Results 3.3.1 Distribution and
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Figure 3.3: Means +/- standard devi
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Figure 3.4: Average daily observati
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Age and Sex Juvenile Immature 1 Imm
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not available at the</stron
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Unlike other bush
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Australian <strong
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4.2 Methods 4.2.1 Artificial nest e
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Figure 4.1: Artificial nest type co
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4.2.4 Bait eggs Japanese Quail eggs
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Figure 4.2: Imprints made by <stron
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Status 63 Raven O<
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Overall, very low predation was rec
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Hypothesis 3 Preda
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investigating abandoned field equip
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analysed using stomach samples obta
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Where n = number food categories an
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it was not seen to injest any parts
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Feeding on carrion
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5.4 Discussion In the</stro
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Chapter 6 General
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fragmentation, or it may be compens
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Bush bird nesting success may be ex
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the raven populati
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Finally, a commitment must be made
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19 4 A 19 6/09/2010 SHE Exposed NO
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74 4 B 74 13/10/2010 GW P/Concealed
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126 5 D 126 1/08/2011 RCR Concealed
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Appendix III Summary: Nest predatio
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Appendix V Summary: Nest predation
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Baker, M.C., Baker, M.S. and Baker,
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Dorfman, E.J. and Reed, J. (1996).
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Hopkins, A.J.M. and Harvey, J.M. (1
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Olsen, P., Silcocks, A. and Weston,
Page 124 and 125:
Santisteban, L., Sieving, K.E. and
Page 126 and 127:
Thompson, F. R. III and Burhans, D.
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Chapter 5 Feeding Ecology of the Australian Raven on Rottnest Island

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