Following year-round movements in Barn Swallows using geolocators: could breeding pairs remain together during the winter? / Arizaga, J., Willemoes, M., Unamuno, E., Unamuno, J.M., Thorup, K. -- [S.l.]: British Trust for Ornithology, 1/2015.

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Abstract: The spatio-temporal schedule provided by geolocators suggests that a pair of Barn Swallows could have remained together during the non-breeding period. Data from four birds, of which two were a breeding pair, showed winter quarters from West to Central Africa. The tracks of the paired individuals
coincided both spatially and temporally at a scale of <200 km throughout the non-breeding period, in contrast to the tracks of an unpaired male and female from the same region.

Arizaga J., Willemoes M., Unamuno E., Unamuno J.M., Thorup K. 2015. Following year-round movements in Barn Swallows using geolocators: could breeding pairs remain together during the winter?. Bird Study (on line). DOI: 10.1080/00063657.2014.998623


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