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Panuccio et al. – Weather and Western Honey Buzzard Migration              653

were considered strong when their speed was         respectively. The time of day had a significant
≥ 20 km/h. Hourly weather data at the Marcellinara  effect on the visible migration; the passage showed
Isthmus were obtained from the Lamezia Terme        an evident peak in the afternoon at 13:20-15:19
meteorological station which are at the web site    (Fig. 2; χ2 = 632.94, d.f. = 4, p < 0.01). Along the
www.ilmeteo.it/dati.htm.                            eastern corridor, the proportion of migrants was
                                                    significantly higher during this period of the day
                           RESULTS                  (Fig. 3; χ2 = 151.2, d.f. = 8, p < 0.01). During our
                                                    study, prevailing winds were mainly perpendicular
      In total, 1346 (19%), 4727 (65%), and 1177    to the direction of migration (lateral winds for 304
(16%) Western Honey Buzzards were seen              h and other wind conditions for 87 h) with westerly
along the western, central, and eastern corridors,  winds (WNW-W-WSW) being more common
                                                    than easterly winds (ENE-E-ESE) (232 vs. 72 h,

Tyrrhenian Sea                                      Girifalco
                                                      Town

                  Mount
                Contessa

                          Mount
                          Covello

                                                                                   Ionian
                                                                                    Sea

                                                               M               SM
                                                                    P

Fig. 1. Study area and approximate flyways (arrows) used by adult Western Honey Buzzards in autumn through the Central Mediter­
ranean. SM, Straits of Messina; M, Marettimo; P, Pantelleria.

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