Вплив погодних умов на фенологію та успішність гніздування сорокопуда сірого lanius excubitor excubitor l. на Поділлі

Abstract

The analysis phenology of nesting Great Grey Shrike is carried out on the basis of looking after 43 pair in a nesting period 2006-2010 on territory of Western and Eastern Podillya. Forming of pair is on the middle of February. The construction of nest lasts during the second half of March. Laying of the first egg takes a place on the average 3.04 4.2 (variability on 23.03-9.04). A period of hatching of nestling is on the average on 22.04 4.5 (variability on 10.04-29.04). Hatching success of laying is 98.9%, and fledging success – 43.7%, breeding success – 86.7%. On the genesial indexes of Great Grey Shrike in the conditions of Podillya, climatic terms influence in the period of nesting is a temperature of air and intensity of fallouts.