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Diet of the ural owl (Strix uralensis) in Slovakia

机译：斯洛伐克的猫头鹰（Strix uralensis）的饮食

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A Central European subspecies of the Ural owl Strix uralensis macroura (Wolf, 1810) is widespread in the territory of Slovakia. The work presents unpublished data on the diet of this subspecies from several territorial units of eastern and northern Slovakia, obtained from pellets and the nest linings in boxes (1 ,564 pieces). There is less data about prey brought to young in the nest but still not yet consumed (137 pieces). Published data from analysis of the stomachs of dead and shot owls come from the first six decades of the 20th century. Together with existing published data, 2,134 pieces of the diet of S. uralensis from Slovakia are evaluated. They indicate the dominance of non-forest species Microtus arvalis and a more plentiful representation of larger species of prey: Lepus europaeus, Sciurus vulgaris and Corvus sp. In upper Orava the diet of young S. uralensis also consists of frogs Rana temporaria, moles Talpa europaea and mountain species of rodents: Microtus agrestis, M. subterraneus, Sicista betulina and Arvicola amphibius. In data from the mountains of central Slovakia the Clethrionomys glareolus has high abundance, and in eastern Slovakia the Apodemus flavicollis and A. agrarius are more represented, and in the lowlands also the Cricetus cricetus. Upon evaluation ofmaterial from the entire breeding grounds of S. uralensis it can be deduced that the basic diet consist of mammals (88.6%) from the orders Soricomorpha and Rodentia. In the countries of Central Europe the species M. arvalis, M. subterraneus, A. flavicollis and Muscardinus avellanarius are more abundantly represented, and in the Baltic states the species Sorex araneus, M. agrestis, M. oeconomus and M. rossiaemeridionalis. The species S. betulina and A. agrarius occur in the diet of S. uralensis from Central Europe up through the Far East.
机译：乌拉尔猫头鹰Strix uralensis macroura（Wolf，1810）的中欧亚种在斯洛伐克境内广泛分布。该工作提供了来自斯洛伐克东部和北部几个地区单位的该亚种饮食的未公开数据，这些数据是从药丸和盒装巢衬（1,564件）中获得的。有关将猎物带入巢中但尚未被消耗的猎物的数据较少（137件）。对死鸟和shot鸟的胃进行分析得出的公开数据来自20世纪前60年。与现有的公开数据一起，对来自斯洛伐克的2,134份乌拉尔链霉菌的饮食进行了评估。它们表明了非森林物种田鼠的优势地位，以及更大种类的猎物的更丰富的代表：欧洲狼疮，寻常型松鼠和乌鸦座。在奥拉瓦河上游，幼小S. uralensis的饮食还包括青蛙蛙蛙，T鼠Talpa europaea和啮齿类动物的山地物种：田鼠（Microtus agrestis），地下。鼠（M. subterraneus），白桦（Sicista betulina）和两栖两栖动物（Arvicola amphibius）。在来自斯洛伐克中部山区的数据中，鼠疫分类法（Clethrionomys glareolus）具有很高的丰度，在斯洛伐克东部，黄粉姬鼠（Apodemus flavicollis）和A. agrarius的代表性更高，在低地也有Cricetus cricetus。对来自整个S.uralensis繁殖地的材料进行评估后，可以推断出基本饮食由Soricomorpha和Rodentia顺序的哺乳动物（88.6％）组成。在中欧国家中，种类繁多的M. arvalis，M.subterraneus，A。flavicollis和Muscardinus avellanarius种类繁多，在波罗的海各州，该物种有Sorex araneus，M。agrestis，M。oeconomus和M. rossiaemeridionalis。从中欧直至远东，S。uralensis的饮食中都存在白铃虫和黑线姬菌。

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