Hill, M.C., A.L. Bradford, K.R. Andrews, R.W. Baird, M.H. Deakos, D.W. Johnston, S.D. Mahaffy, A.J. Milette, E.M. Oleson, J. Östman-Lin, A.A. Pack, S.H. Richards, and S. Yin. 2011. Abundance and Movements of Spinner Dolphins off the Main Hawaiian Islands. PIFSC Working Paper WP-11-013, Issued 28 October 2011.