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首页> 外文期刊>Munis Entomology Zoology >Roosting behaviour of house sparrow (Passer domesticus Linnaeus, 1758) in some urban and rural areas of Jammu Division, J & K
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Roosting behaviour of house sparrow (Passer domesticus Linnaeus, 1758) in some urban and rural areas of Jammu Division, J & K

机译:麻雀在J&K的一些城市和农村地区的栖息行为(Passer domesticus Linnaeus,1758)

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摘要

 447 roosting groups of house sparrow were studied from February 2009 to April 2012 at 6 rural areas and 2 urban areas of Jammu division. The pre-roosting behaviour and roosting sequences like assembly time, time of arrival of birds at roost, sundown, duration of chirping, sunset, first call and departure time in morning in House Sparrow were studied which were found directly linked with light intensity, time of sundown, sunrise , weather condition and type of locality (urban / rural). House Sparrow were found to roosts in pure (non-communal) and mixed groups (Communal). 58.84 % groups were mixed roosters with one species, 3.93% mixed roosting with more than one species and 41.16 % groups are pure rooster. Sparrow was found to be more communal rooster (82 %) in urban areas because of less choices of vegetation and more risk of predation while in rural areas it prefer pure roosting (61%) because of availability of spiny shrubs and low risk of predation. House sparrow used spiny shrubs and trees less than 7 ft. height as favourite roosting vegetation. The spiny vegetation gives protection from predators. In mixed roosts of rural areas, the ratio of House Sparrow to other mixed roosters was found more in number because of less competition from other species due to availability of lot of choices for roosting sites. But in mixed roosts of urban areas, the ratio was found to be less because of less availability of roosting vegetation and more competition from other mixed roosters.
机译:从2009年2月至2012年4月,在查mu地区的6个农村地区和2个城市地区研究了447个栖息麻雀群。研究了麻雀的预栖息行为和栖息时间,例如集会时间,鸟类到达栖息的时间,日落时间,鸣叫的持续时间,日落时间,初次叫唤和早晨在麻雀的离开时间,这些发现与光照强度,时间直接相关日落,日出,天气状况和地区类型(城市/农村)的信息。发现麻雀栖息在纯(非公共)和混合群体(公共)中。混合公鸡有一种:58.84%;一种以上有混合种; 3.93%;纯种为41.16%。麻雀在城市地区被发现是更常见的公鸡(82%),这是因为植被的选择较少和被掠食的风险更高;而在农村地区,由于有刺灌木的可获得性和低被掠食的风险,它更喜欢纯栖息(61%)。麻雀使用多于7英尺高的多刺灌木和树木作为最喜欢的栖息地植被。多刺的植被可以防止天敌。在农村地区的混合栖息地中,发现麻雀与其他混合公鸡的比例更高,这是因为由于有许多可供选择的栖息地,与其他物种的竞争较少。但是在城市的混合栖息地中,发现该比例较小的原因是栖息地植被的可用性较低,并且来自其他混合公鸡的竞争加剧。

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