白喉林鹟在河南的新分布及鸣声分析

2005年5—6月份在河南省罗山县董寨国家级自然保护区开展鸟类调查期间,通过对鸣唱个体的定位观察,发现了3只白喉林鹟(Rhinomyias bruneata).经查阅文献,确定为河南省鸟类分布的新记录.白喉林鹟是我国华东地区亚热带森林的特有夏候鸟,因该地区中低海拔森林植被遭到严重破坏,导致其种群数量十分稀少,因此已被有关国际保护组织列为受胁物种.以往文献对白喉林鹟的鸣唱特点描述甚少,本文描述了在河南发现的白喉林鹟的形态特征、生境特点,首次报道了其在繁殖期的鸣唱特征,并对该物种在我国的分布和保护状况进行了讨论.

THE NEW DISTRIBUTION OF BROWN-CHESTED JUNGLE FLYCATCHER(RHINOMYIAS BRUNEATA) IN HENAN,CHINA AND ITS VOCALIZATION ANALYSIS

The Brown-chested Jungle Flycatcher(Rhinomyias bruneata)is a rare and endemic summer breeder to Southeast China.It has a declining population as a result of destruction and fragmentation of the lowland forest in its breeding grounds.The displaying songs of the species were poorly described in the previous documents.During a field survey in May and June 2005,three territorial males of Brown-chested Jungle Flycatcher were recorded at Dongzhai National Nature Reserve,Luoshan County of Henan Province,which is apparently a first record for the birds of Henan Province.It inhabits in subtropical forest,with a preference of deciduous coniferous mixed forest at 200400()m in the study area.The locations of the three male Brown-chested Jungle Flycatcher,along with the supplementary information of characteristics of the songs through vocalization analysis are described.The status of distribution and conservation of the species are also discussed.