Bird Songs & Sounds : Free Download, Borrow, and Streaming : Internet Archive
John V. Moore, Niels Krabbe, Olaf Jahn, M. Lysinger, P. Coopmans, P. Mena V., A. Spencer, R. S. Ridgely, J. Nilsson, D. F. Lane, N. Athanas, L. Navarrete, John V. Moore, John