Predation risk is unlikely to account for the failure of subordinate speckled warblers Chthonicola sagittata to help at the nest
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Description
The predator avoidance hypothesis suggests that the failure of subordinate birds to provision nestlings in communally breeding species is a consequence of increased predation risk. Parents exclude subordinates from the nest area and thus reduce the frequency of predator-attracting visits when the nest is most vulnerable, leading to increased reproductive success. I evaluated this hypothesis for the speckled warbler Chthonicola sagittata, a group-living member of the Pardalotidae in which...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/31877 |
Source: | Journal of Avian Biology |
DOI: | 10.1111/j.2007.0908-8857.03938.x |
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01_Gardner_Predation_risk_is_unlikely_to_2007.pdf | 201.15 kB | Adobe PDF | Request a copy |
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