1. Hawkesbury Institute for the Environment Western Sydney University, Hawkesbury Campus Ground Floor, Building R2, Locked Bag 1797 Penrith NSW 2751 Australia
2. Centre for Sustainable Ecosystem Solutions, School of Earth, Atmospheric and Life Sciences University of Wollongong Northfields Ave Wollongong NSW 2522 Australia
3. Cornell Lab of Ornithology Cornell University 159 Sapsucker Woods Rd. Ithaca NY 14850 U.S.A.
4. Research School of Biology The Australian National University 46 Sullivan's Creek Road, Acton Canberra ACT 2601 Australia