The authors of the following papers studied Short-toed Eagles among other Raptors. Here are the results of those comparative studies focused on monitoring of migrating birds and on distribution constraints:
• J.L. TELLERÍA, G. FANDOS, E. TENA, R. CARBONELL, A. ONRUBIA, A. QNINBA, Á. RAMÍREZ, 2018 – Constraints on raptor distribution at the southwestern boundary of the Palaearctic: implications for conservation // Biodiversity and Conservation: pp. 1-17. (En).