Grazyna Halastra’s scientific contributions

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Publications (1)


The autumn migrationof birds on the Polish Baltic sea coast
  • Article
  • Full-text available

March 1981

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151 Reads

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11 Citations

Acta Ornithologica

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Grazyna Halastra

The autumn migration of birds, mainly Passerines, has been described on the basis of data collected by observation and catching at several localities on the Polish Baltic coast during 1961-1970. The intensity and dynamics of the passage, as well as the average andextreme dates of passage, have been presented for each locality separately. Reversed migration has been taken into account. For rare species the dates of all occurrences are given.

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Citations (1)


... N, 18.9449 E), northern Poland. The field studies were conducted from early July to late September, thus covering the main part of the white wagtail autumn migration season in this region (Busse & Halastra 1981). Trapped birds were aged according to plumage characteristics (Svensson 1992). ...

Reference:

Sexual Dimorphism and Sex Determination of Juvenile White Wagtail Motacilla alba alba Linnaeus, 1758 (Aves: Motacillidae) Based on Linear Measurements
The autumn migrationof birds on the Polish Baltic sea coast

Acta Ornithologica