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Food of the Barn Owl (Tyto alba) in the Eastern Mediterranean

机译:地中海东部的仓O( Tyto alba )的食物

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The composition of the Barn Owl (Tyto alba) diet analysed from pellets collected in several regions of the Eastern Mediterranean is presented. In total, 27 samples from 21 sites in S Italy, S Greece (incl. Crete), S Turkey, NW Syria, SW Lebanon, N Israel, and N Egypt were composed of 8842 prey individuals. Mammals represented the dominant part of the prey (90% of the identified prey individuals, comprising 44 species). Birds were less abundant (7%), however, their diversity was enormous (64 species). Amphibians and reptiles were rarely represented in the diet (0.9%), while invertebrates we found more often (2.2%). The relative abundance of particular prey items in the Barn Owl diet was analysed in four geographical regions: (a) SE Europe (Calabria, Peloponnese, Crete), (b) Levantine parts of Turkey and Syria, (c) Lebanon and N Israel, and (d) N Egypt. In complex evaluation of the sample set, endemic forms composed a special group of prey items: Microtus savii, Sorex samniticus, and Talpa romana in Calabria; Microtus thomasi in Peloponnese; Acomys minous in Crete; and Gerbillus amoenus in Egypt. Another group of prey is represented by typical Levantine species: Microtus guentheri, Meriones tristrami, Apodemus mystacinus, and Rana ridibunda. Apodemus flavicollis and Crocidura leucodon were more abundant in Calabria while less abundant in the Levant. Synanthropic mammals (Mus spp., Rattus rattus, Suncus etruscus, Crocidura suaveolens) and birds (Passer domesticus) represented a significant part of the diet in the majority of the studied area.
机译:介绍了从东地中海几个地区收集的颗粒中分析出来的仓n饮食的组成。总共有来自意大利南部,希腊南部(包括克里特岛),土耳其南部,叙利亚西北部,黎巴嫩西南部,以色列北部和埃及北部21个地点的27个样本组成,其中包括8842个猎物个体。哺乳动物代表了猎物的主要部分(90%的猎物个体,包括44个物种)。鸟类的数量较少(7%),但是它们的多样性却非常丰富(64种)。两栖动物和爬行动物很少出现在饮食中(0.9%),而无脊椎动物则更多(2.2%)。在以下四个地理区域分析了谷仓猫头鹰饮食中特定猎物的相对丰富度:(a)欧洲东南部(卡拉布里亚,伯罗奔尼撒,克里特岛),(b)土耳其和叙利亚的黎凡特地区,(c)黎巴嫩和以色列北部, (d)埃及北部。在对样本集的综合评估中,地方病形式组成了一组特殊的猎物:卡拉布里亚的田鼠(Microtus savii),鼠尾草(Sorex samniticus)和罗非鱼(Talpa romana)。伯罗奔尼撒的田鼠在克里特岛的小科密斯;和埃及的非洲菊(Gerbillus amoenus)。另一类猎物以典型的黎凡特物种为代表:田鼠(Microtus guentheri),梅里昂斯(Meriones tristrami),姬鼠姬鼠(Apodemus mystacinus)和ridaundibunda。卡拉布里亚的黄线姬鼠和白花鳄更丰富,而黎凡特则较少。在大多数研究区域中,合人类的哺乳动物(鼠属(Mus spp。),褐家鼠(Rattus rattus),桑克斯(Suncus etruscus),南方鳄(Crocidura suaveolens))和禽类(Passer domesticus)占饮食的重要部分。

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