Acknowledgements
We thank the Lundy Company and the Lundy Field Society for their
continuous support in the Lundy Sparrow Project, and numerous field
assistants and master students for field data collection. HYJC was
funded by a PhD scholarship from the University of Groningen and
Macquarie University. JS received funding from the European Research
Council (PCIG12-GA-2012-333096). TB, MJPS and JS were supported by the
Natural and Environmental Research Council (grant NE/J024567/1). HD was
supported by a Rosalind Franklin Fellowship from the University of
Groningen.