Distribution of ST Eagle in Switzerland in the XX century
The represented article contains the detailed history of records of Short-toed Eagles in Switzerland almost within a century of observations:
• Kéry, M. & B. Posse, 1998 – Auftreten des Schlangenadlers Circaetus gallicus in der Schweiz von 1900 bis 1993 [Distribution of the Short-Toed Eagle in Switzerland from 1900 to 1993] // Der Ornithologische Beobachter, 95: 39-54. – 
(De).
Categories: De, Switzerland.