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Long-term monitoring of nest boxes and nest logs in a tree-hollow depleted boxironbark forest in north-eastern Victoria

Long-term monitoring of nest boxes and nest logs in a tree-hollow depleted boxironbark forest in... Forest and woodland areas that have suffered historic degradation of habitat are likely to have reduced populations of tree-hollow dependent wildlife. We investigated the frequency of use of small-entry nest boxes installed 3 m high and vertical nest logs installed 13 m high, over 1030 years in boxironbark forest in north-east Victoria. Mammals were the dominant users of the nest boxes. Squirrel gliders and sugar gliders collectively used >75% of boxes and brush-tailed phascogales used >30% of boxes. Birds used the nest boxes on just two occasions. Brown treecreepers were the dominant users of the nest logs, with 48 breeding events across 30% of 105 nest logs. Turquoise parrots bred in the logs on five occasions. Gliders used 31% and phascogales 16% of the nest logs. These mammals were directly observed more frequently in the nest boxes than in the nest logs. Our findings show that mammals and birds preferred morphologically different hollows. Further research into the influence of different artificial hollow design elements is required. Nest boxes and nest logs required infrequent maintenance that was easily sustained over time. Our results suggest that tree-hollow dependent wildlife can benefit from restoration of their breeding and shelter sites. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australian Journal of Zoology CSIRO Publishing

Long-term monitoring of nest boxes and nest logs in a tree-hollow depleted boxironbark forest in north-eastern Victoria

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Publisher
CSIRO Publishing
Copyright
Copyright © The Author(s). Published by CSIRO Publishing
ISSN
0004-959X
eISSN
1446-5698
DOI
10.1071/ZO20098
Publisher site
See Article on Publisher Site

Abstract

Forest and woodland areas that have suffered historic degradation of habitat are likely to have reduced populations of tree-hollow dependent wildlife. We investigated the frequency of use of small-entry nest boxes installed 3 m high and vertical nest logs installed 13 m high, over 1030 years in boxironbark forest in north-east Victoria. Mammals were the dominant users of the nest boxes. Squirrel gliders and sugar gliders collectively used >75% of boxes and brush-tailed phascogales used >30% of boxes. Birds used the nest boxes on just two occasions. Brown treecreepers were the dominant users of the nest logs, with 48 breeding events across 30% of 105 nest logs. Turquoise parrots bred in the logs on five occasions. Gliders used 31% and phascogales 16% of the nest logs. These mammals were directly observed more frequently in the nest boxes than in the nest logs. Our findings show that mammals and birds preferred morphologically different hollows. Further research into the influence of different artificial hollow design elements is required. Nest boxes and nest logs required infrequent maintenance that was easily sustained over time. Our results suggest that tree-hollow dependent wildlife can benefit from restoration of their breeding and shelter sites.

Journal

Australian Journal of Zoology – CSIRO Publishing

Published: Sep 16, 2021

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