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ABSTRACT First principles predict negative frequency-dependent sex allocation, but it is unproven in field studies and seldom considered, despite far-reaching consequences for theory and
practice in population genetics and dynamics as well as animal ecology and behaviour. Twenty-four years of rhinoceros calving after 45 reintroductions across southern Africa provide the
first _in situ_ experimental evidence that unbalanced operational sex ratios predicted offspring sex and offspring sex ratios. Our understanding of population dynamics, especially
reintroduction and invasion biology, will be significantly impacted by these findings. Access through your institution Buy or subscribe This is a preview of subscription content, access via
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SpringerLink * Instant access to full article PDF Buy now Prices may be subject to local taxes which are calculated during checkout ADDITIONAL ACCESS OPTIONS: * Log in * Learn about
institutional subscriptions * Read our FAQs * Contact customer support SIMILAR CONTENT BEING VIEWED BY OTHERS DISENTANGLING THE CAUSES OF TEMPORAL VARIATION IN THE OPPORTUNITY FOR SEXUAL
SELECTION Article Open access 22 February 2023 ADULT SEX RATIOS: CAUSES OF VARIATION AND IMPLICATIONS FOR ANIMAL AND HUMAN SOCIETIES Article Open access 19 November 2022 DEGREE OF ANISOGAMY
IS UNRELATED TO THE INTENSITY OF SEXUAL SELECTION Article Open access 30 September 2021 REFERENCES * Fisher, R. A. _The Genetical Theory of Natural Selection_ (Clarendon, 1930). Book Google
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Download references ACKNOWLEDGEMENTS This work was supported by granted funds from the US Fish & Wildlife Service administered Rhinoceros and Tiger Conservation Act of 1994 (grant
agreement numbers 98210-2-G363, 98210-4-G920 and 98210-6-G102), International Rhino Foundation, Victoria University of Wellington, and Nelson Mandela Metropolitan University. Our thanks to
K. Adcock, G. Kerley and M. Knight. AUTHOR INFORMATION Author notes * Jay Vinson Gedir Present address: †Present address: Department of Fish, Wildlife & Conservation Ecology, New Mexico
State University, Las Cruces, New Mexico 88003, USA., AUTHORS AND AFFILIATIONS * Centre for Biodiversity and Restoration Ecology, School of Biological Sciences, Victoria University of
Wellington 6021, Wellington, New Zealand Wayne Leslie Linklater & Jay Vinson Gedir * Department of Zoology, Centre for African Conservation Ecology, Nelson Mandela Metropolitan
University, Port Elizabeth 6031, South Africa Wayne Leslie Linklater & Peter Roy Law * Directorate of Scientific Services, Ministry of Environment and Tourism, Private Bag 13306,
Windhoek, Namibia Pierre du Preez Authors * Wayne Leslie Linklater View author publications You can also search for this author inPubMed Google Scholar * Peter Roy Law View author
publications You can also search for this author inPubMed Google Scholar * Jay Vinson Gedir View author publications You can also search for this author inPubMed Google Scholar * Pierre du
Preez View author publications You can also search for this author inPubMed Google Scholar CONTRIBUTIONS W.L.L. conceived the project; P.d.P. administered the programs that gathered the raw
data from Namibian populations; W.L.L. and J.V.G. collated and conducted quality assurance of data; W.L.L., P.R.L. and J.V.G. conducted and interpreted analyses; W.L.L. wrote the first draft
of the manuscript and all authors contributed to revisions. CORRESPONDING AUTHOR Correspondence to Wayne Leslie Linklater. ETHICS DECLARATIONS COMPETING INTERESTS The authors declare no
competing financial interests. SUPPLEMENTARY INFORMATION SUPPLEMENTARY INFORMATION Supplementary Tables 1 and 2 (PDF 228 kb) RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS
ARTICLE CITE THIS ARTICLE Linklater, W., Law, P., Gedir, J. _et al._ Experimental evidence for homeostatic sex allocation after sex-biased reintroductions. _Nat Ecol Evol_ 1, 0088 (2017).
https://doi.org/10.1038/s41559-017-0088 Download citation * Received: 23 June 2016 * Accepted: 17 January 2017 * Published: 06 March 2017 * DOI: https://doi.org/10.1038/s41559-017-0088 SHARE
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