Maternal effects in the Zebra Finch : a model mother reviewed

Griffith, Simon C. and Buchanan, Katherine L. 2010, Maternal effects in the Zebra Finch : a model mother reviewed, Emu, vol. 110, no. 3, pp. 251-267.

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Title Maternal effects in the Zebra Finch : a model mother reviewed
Author(s) Griffith, Simon C.
Buchanan, Katherine L.
Journal name Emu
Volume number 110
Issue number 3
Start page 251
End page 267
Total pages 17
Publisher CSIRO Publishing
Place of publication Melbourne, Vic.
Publication date 2010-08
ISSN 0158-4197
1448-5540
Keyword(s) Differential allocation
Egg-size
Offspring development
Sexual selection
Taeniopygia guttata
Yolk hormones
Summary Birds are a particularly good group with which to examine the importance of maternal effects, as parental contributions can be relatively easily quantified compared with other groups. There have undoubtedly been more studies on maternal effects in the Zebra Finch than any other single bird species. Studies of this species have examined the importance of maternal effects mediated through sex allocation, size, nutrients and hormones of of eggs, incubation behaviour and provisioning levels. A synthesis of all of this work illustrates some contrasting results (e.g. many high-profile results have failed to be replicated), some very common patterns (e.g. investment shifts through the laying sequence), and potentially interesting and complex interactions between traits (e.g. between sex of offspring and hormonal profiles of eggs). This extensive collection of work on the Zebra Finch provides useful general insight into the patterns of maternal investment in birds and the effects on offspring phenotype. However, we caution that the literature is probably littered with studies that have overemphasised the importance of some maternal effects and recent studies have highlighted analytical and logical flaws that have probably led to misplaced confidence in some of the findings reported to date. Finally, it is worth considering that the bulk of the literature is based on studies of captive domesticated birds and ecological and physiological data from individuals in the wild is currently lacking. The biological relevance of maternal effects documented in this model species is therefore unclear.
Language eng
Field of Research 060308 Life Histories
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Royal Australasian Ornithologists Union
Persistent URL http://hdl.handle.net/10536/DRO/DU:30032035

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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