Timing of autumn departure of the White Wagtail in Ukraine. - V.N. Grishchenko. - Berkut. 18 (1-2). 2009. - P. 188-192.
Timing of the last departure is analysed on the base of own observations, phenological questionnaire, literature data and unpublished information. Obtained data cover the period in 40 years – 1970–2009. Main statistic parameters of timing for 25 regions of Ukraine were calculated (Table), phenological maps of migration were drawn (Fig. 1). Last wagtails were observed in different points since the second half of September till November. Average dates of the last departures in all regions of Ukraine fall on October. Standard deviation of timing fluctuated in separate regions from 10,6 till 21,0, on average it made 14,8 ± 0,6. A few wagtails can winter. Single birds and even small flocks were observed not only in South Ukraine but also in other parts of the country. Timing of the last departure was stable during the study period (Fig. 2). [Russian].
Key words: White Wagtail, Motacilla alba, migration, phenology, last departure.
Address: V.N. Grishchenko, Kaniv Nature Reserve, 19000 Kaniv, Ukraine; e-mail: vgrishchenko@mail.ru.