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Article
Jin-Ming Zhao, Auteur ; Yun Fang, Auteur ; Ying-Qiang Lou, Auteur ; Jon E. Swenson, Auteur ; Yue-Hua Sun, AuteurReproductive activities can incur various costs to breeding individuals in birds. One cost is that reproduction decreases survival probabilities of attendant individuals, which may have a major effect on population demography. During brood reari[...]
Article
Yun-Biao Hu, Auteur ; Qing-Shan Zhao, Auteur ; Ying-Qiang Lou, Auteur ; Li-Jun Chen, Auteur ; Manuel Antonio González, Auteur ; Yue-Hua Sun, AuteurA well-concealed nest site is supposed to reduce nest predation risk; however, the expected positive relationship between nest concealment and nest survival does not exist in some passerine species, especially in thrushes. Previous studies have [...]
Article
Martin Päckert, Auteur ; Jochen Martens, Auteur ; Yue-Hua Sun, Auteur ; Patrick Strutzenberger, AuteurCompeting systematic hypotheses have placed the Tibetan endemic Przevalski's Finch Urocynchramus pylzowi either with the Old World buntings (Emberizidae) or with the cardueline finches (Fringillidae, Carduelinae). Recent studies based on limited[...]
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Martin Päckert, Auteur ; Jochen Martens, Auteur ; Yue-Hua Sun, Auteur ; Dieter Thomas Tietze, AuteurAs one of the most prominent topographical features on Earth, the Qinghai–Tibetan plateau (QTP) underwent a long and complex history of the QTP uplift from the collision of the Indian and the Eurasian plates to the present. At its southern and s[...]
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Nan Lu, Auteur ; Chen-Xi Jia, Auteur ; Huw Lloyd, Auteur ; Yue-Hua Sun, AuteurHabitat fragmentation assessment is quite important for the endangered risk assessing and conservation management for threatened animals. Note that even sympatric species may differ in habitat fragmentation, due to the various ecological niche r[...]
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Siegfried Klaus, Auteur ; Yingqiang Lou, Auteur ; Yun Fang, Auteur ; Wolfgang Scherzinger, Auteur ; Yue-Hua Sun, AuteurIn 38 aggressive encounters observed in autumn77 males were involved. The duration of encounters varied in a wide range (2-77 min, mean 19.7 min). Most of the aggressions occurred on ground (n = 21, respectively
Article
Jie Wang, Auteur ; Chen-Xi Jia, Auteur ; Song-Hua Tang, Auteur ; Yun Fang, Auteur ; Yue-Hua Sun, Auteur
Article
Martin Paeckert, Auteur ; Jochen Martens, Auteur ; Wei Liang, Auteur ; Yu-Cheng Hsu, Auteur ; Yue-Hua Sun, Auteur
Article
Dieter Thomas Tietze, Auteur ; Jochen Martens, Auteur ; Yue-Hua Sun, AuteurWe sequenced a part of the mitochondrial cytochrome-b gene from the seven treecreeper species, including 18 subspecies, to reconstruct the phylogeny of the genus Certhia. Species status of all seven species could be affirmed. Certhia discolor, C[...]
Article
Yue-Hua Sun, Auteur ; Yun Fang, Auteur ; Chen-Xi Jia, Auteur ; Siegfried Klaus, Auteur ; Jon E. Swenson, Auteur ; Wolfgang Scherzinger, AuteurDuring 1995-2004, we studied the nest site selection of the Chinese grouse Bonasa sewerzowi at Lianhuashan, Gansu, China. Of the 103 nests that we found, 56% were at the base of deciduous trees, mainly willow Salix spp. and birch Betula utilis, [...]
Article
Yue-Hua Sun, Auteur ; Ying-Xin Jiang, Auteur ; Jochen Martens, Auteur ; Zhong-Lin Bi, AuteurThe Sichuan Treecreeper, Certhia tianquanensis Li 1995, was recently recognized as an independent species. Apparently, it is an endemic relict occupying an extremely small range in western Sichuan and Shaanxi provinces, China. During April-July [...]
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Nan Lu, Auteur ; Yue-Hua Sun, AuteurChinese Grouse Bonasa sewerzowi is threatened by human activity, especially during the breeding season, in the Lianhuashan Mountains, Gansu Province, north-western China. We conducted a series of simulations on the viability of this population u[...]
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Wolfgang Scherzinger, Auteur ; Yun Fang, Auteur ; Yue-Hua Sun, Auteur ; Siegfried Klaus, AuteurIn autumn of 1869, Father A. David collected several owls in western Sichuan/China. Sharpe (1875) recognized a new species in one of these birds and named it Syrnium davidi. Since this time, only very few records and observations had been made, [...]
Article
Dieter Thomas Tietze, Auteur ; Jochen Martens, Auteur ; Yue-Hua Sun, Auteur ; Lucia Liu Severinghaus, Auteur ; Martin Paeckert, AuteurSince in oscine birds song divergence often leads to premating reproductive isolation, we asked which factors drive the evolution of song in a widespread species, the coal tit Parus ater. Based on an almost taxon-complete phylogeny we correlated[...]
Article
Nan Lyu, Auteur ; Martin Paeckert, Auteur ; Dieter Thomas Tietze, Auteur ; Yue-Hua Sun, AuteurSome modeling studies indicated that the past distributions of species in east Asia during the Last Interglacial (LIG) and Last Glacial Maximum (LGM) periods differ from those of European and North American species and the deviant Asian distribu[...]
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Jie Wang, Auteur ; Yun Fang, Auteur ; Siegfried Klaus, Auteur ; Yue-Hua Sun, AuteurBoth the quality of food and the rate of food intake may influence an animal's food choice. We investigated the feeding choices of Chinese Grouse (Bonasa sewerzowi) among a group of trees/shrubs with similar morphologies but heterogeneous chemic[...]
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Chen Yang, Auteur ; Yun Fang, Auteur ; Yue-Hua Sun, AuteurWinter movement and social behavior of Chinese Grouse (Bonasa sewerzowi) were studied at Lianhuashan Natural Reserve, northwest China from 1995 to 2009. According to radio-tracking data from 25 male Chinese Grouse, their home ranges in winter ra[...]
