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The Breeding Ecology and Copulation Behavior of Eurasian Eagle Owls(Bubo bubo)  

Shin, Dong-Man (Environmental Programs Team, KBS)
Paek, Woon-Kee (Department of Natural History, National Science Museum)
Publication Information
Korean Journal of Environment and Ecology / v.22, no.1, 2008 , pp. 59-65 More about this Journal
Abstract
This study is mainly focused on the mating of 9 couples of Eagle Owl Bubo bubo habitating in Paju, Ganghwa Island, Icheon, Sihwa Lake, Chungju. For this study, from 2005 to 2007, regular filming and mornitoring for the breeding ecology and copulation behavior of 9 couples of Eagle Owl in the nest and near area had been done. Clutches ranged in size from one to four eggs but averaged 2.27 eggs(n=15), hatching success rate was 71 %(n=34) and fledgling success rate was 83%(n=23). Through the filming and mornitoring, it was found that Eagle Owl continued to copulate each other even after hatching and kept its copulation until the chicks left their nest($7\sim8$ weeks after hatching). This copulation behaviour without fertilization seems to be done for confirming, maintaining and strengthening of pair-bond by the necessity of both male and female, and to aim at stable breeding of their chicks.
Keywords
NEST; HATCHING SUCCESS RATE; PAIR-BOND;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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