Time-Activity Budgets of Juvenile Woodchat Shrikes Lanius senator During the Post-Fledging Period

Ardea

Boris P. Nikolov¹  Iva P. Hristova² 

[1] 1 Bulgarian Ornithological Centre, Institute of Zoology, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd., BG-1000 Sofia, Bulgaria;2 Climatech Engineering Ltd., 51 Prof. Kiril Popov Str., BG-1700 Sofia, Bulgaria

关键词: Activity Budgets;   

DOI  :  

学科分类：动物科学

来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union

【 摘 要 】

Thisstudy,conductedintheregionofSofia(westernBulgaria),investigatedactivitypatternsofjuvenileWoodchatShrikesLaniussenatorafterfledging.Timespenttoflying,socialinteractions,groundhuntingandsolitarilybehaviourincreasedwithage,whilethetimespentfoodbegging,obtainingfoodfromadults,andstayingclose(lt;1m)toadultbirdsdecreasedwithage.Occupationofconcealedperch-sitesdecreasedwithagewhereasuseofexposedlookoutpostsincreased.YoungWoodchatShrikesbecameincreasinglyindependentatanageofabout30days.After45daystheywerenotfedbyparentsatall.

【 授权许可】

Unknown