Journal
JOURNAL OF ETHOLOGY
Volume 27, Issue 3, Pages 327-332Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s10164-008-0123-y
Keywords
Hunting skills development; Marsh harrier; Circus aeruginosus; Migration
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The impact of social factors on the improvement of hunting skills of juvenile marsh harriers during their first autumnal migration were studied in SE Poland. While foraging with adult birds, juveniles performed more dives on prey both in terms of number of trials and rates. Hunting sessions of juveniles were more efficient in the presence of adults than in the absence of adults. Juveniles hunting with adults and other juveniles could select adequate habitat patches in which access to prey is easier. The role of vertical and horizontal transmission of information in the development of hunting skills in juvenile marsh harrier were confirmed because faster development of hunting ability was achieved in the social hunting after the end of their postfledging dependency period.
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