Sex ratio bias and shared paternity reduce individual fitness and population viability in a critically endangered parrot
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Heinsohn, Robert; Olah, George; Webb, Matthew; Peakall, Rodney; Stojanovic, Dejan
Description
Sex‐biased mortality can lead to altered adult sex ratios (ASRs), which may in turn lead to harassment and lower fitness of the rarer sex and changes in the mating system. Female critically endangered swift parrots (Lathamus discolor) suffer high predation while nesting due to an introduced mammalian predator, the sugar glider (Petaurus breviceps). High predation on females is causing severe population decline alongside strongly biased adult sex ratios (≥73% male). Our 6‐year study showed that...[Show more]
Collections | ANU Research Publications |
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Date published: | 2018-12-03 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/201572 |
Source: | Journal of Animal Ecology |
DOI: | 10.1111/1365-2656.12922 |
Access Rights: | Open Access |
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File | Description | Size | Format | Image |
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1365-2656.12922.pdf | 314.46 kB | Adobe PDF |
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