Authors: PÉREZ-TRIS, J. and ASENSIO, B.
Published: Volume 44(1), June 1997. Pages 71-78.
Language: Spanish
Original Title: Migración e invernada de la Lavandera Boyera (Motacilla flava) en la Península Ibérica
Keywords: Iberian Peninsula, migration, Motacilla flava, ringing recoveries and wintering.
Summary:
Most Yellow Wagtails recovered in the Iberian Peninsula and the Balearic Islands are birds ringed in Central and Western Europe, the British Islands and the Scandinavian Peninsula. The autumn migration occurs along the coasts in the Iberian Peninsula mainly from September to November. Two main migratory flows can be established: a Western flow along the Cantabrian and the Atlantic coasts, and an Eastern flow along the Mediterranean coast. However, a noticeable flow of continental birds (especially composed by the flava subspecies) from the Cantabrian towards the Mediterranean along the Ebro Valley is also apparent. The main passage towards Africa occurs across the Strait of Gibraltar, although many birds also cross from the Algarve coasts or from the Mediterranean coasts north to the Cabo de Gata. In autumn, the passage of young tends to be slower than the passage of adults. There are no between-sex differences in migratory behaviour. Winter recoveries are concentrated in the mesic areas of the Iberian Peninsula, where food conditions for insectivorous birds seem to be better. The spring migration, wich occurs during March and April, is much less apparent than the autumn passage.
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