Disperse or Stay? Exceptionally High Breeding-Site Infidelity in the Red-Backed Shrike Lanius collurio

Ardea

Piotr Tryjanowski²  StanisÅ‚aw Kuźniak²  Marcin Antczak²  Artur GoÅ‚awski¹  Tomasz Mokwa³ 

[1] 2 Department of Zoology, University of Podlasie, Prusa 12, 08-110 Siedlce, Poland;1 Department of Behavioural Ecology, Adam Mickiewicz University, Umultowska 10, PL-61-714 PoznaÅ„, Poland;3 Ornithological Station, Museum and Institute of Zoology, Polish Academy of Science, NadwiÅ›lanska 108, 80-868 GdaÅ„sk, Poland

关键词: Territory Fidelity;   

DOI  :  

学科分类：动物科学

来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union

【 摘 要 】

Nestinginthesamebreedingareainsuccessiveyearsprovidesinformationtohelpunderstandthecuesusedbybirdsinhabitatselection.Moreover,suchinformationmayalsobeanimportanttoolfortheconservationandmanagementofendangeredspecies.Basedontheringingresultsof122adultand1245nestlingRed-backedShrikeLaniuscolluriointheyears1996–2005,westudiedphilopatryofthespeciesintwodifferentpopulations:inwesternandineasternPoland.MoreoverweanalysedallPolishRed-backedShrikeringrecoveriessince1996(n=3102ringedbirds).Wenotedthatbothnatalandbreedingphilopatryinthepopulationswerealmostentirelyabsent.Thisissurprisingincomparisonwithotherstudies,especiallythoseincludingshrikes.Comparisonswithotherpopulationssuggestthatthelackofphilopatryisnotrelatedtothebreedingsuccessoflocalbirdsand/orthesizeofthestudyarea.Incontrast,wesuggestthatlowphilopatryisaneffectofand/oranadaptationtoarelativelyhighpopulationdensityattheland-scapescale,wheremanybreedingareasandpotentialnestingsitesstillremainvacant.

【 授权许可】

Unknown