Results of analysis of 434 Short-toed Snake Eagle mortality cases are presented in the recently published article:
• J. E. Martínez , I. Zuberogoitia, M. V. Jiménez-Franco, S. Mañosa, J. F. Calvo, 2016 – Spatio-temporal variations in mortality causes of two migratory forest raptors in Spain // European Journal of Wildlife Research, Feb. 2016, Vol. 62(1): pp. 109-118. (En).
The data were collected by wildlife rehabilitation centres in Spain within the 16-year period of 1990-2006. Unfortunately, the full text is not yet available online for free.