Abstract
In the Tauern area near Salzburg the griffon-vulture (Gyps fulvus fulvus) is observed as a regular summer bird. The lowest limit of its occurrence is reported to be about 1000 m NN. The number of vultures living from Mai to September in this area (averagely about 200) shows an immediate dependence on the date of the departure of sheep for the Alpine pastures and the quantity of sheep to be found there. The griffon-vultures do not build their eyries in the Salzburg mountains, but they immigrate into this area after their hatching time in February, coming from the Balcans. The bearded vulture (Gypaetus barbatus), however, returned to keep to these same grounds since about 1930.
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