Foraging behaviour and habitat use of the serotine bat (Eptesicus serotinus) in southern England

Foraging behaviour and habitat use of the serotine bat (Eptesicus serotinus) in southern England
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DOI:
10.1111/j.1469-7998.1996.tb05419.x
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发表时间:
1996-04-01
期刊:
影响因子:
2
通讯作者:
Stephenson, PJ
Stephenson, PJ
中科院分区:
生物学3区
文献类型:
--
作者:
Catto, CMC;Hutson, AM;Stephenson, PJ

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无线电跟踪被用来确定觅食行为和栖息地使用的蝙蝠,Eptesicus daminus,在英格兰南部的两个栖息地。这些酒吧平均往返于不同的觅食地点6.5公里,每晚最多使用5个地点。5-羟色胺在广泛的栖息地觅食,并能够找到和利用临时觅食地点,如最近割过的草。它们定期在白色路灯周围觅食,夏末则在有新鲜粪便的牧场上觅食。繁殖活跃的女性强烈philopatric他们的一天栖息。与此相反,繁殖不活跃的女性,从同一个栖息地,移动到新的一天,栖息地长达10公里的捕获现场。血清素使用三种不同的觅食策略:短途飞行,地面觅食,并主要是空中叫卖。觅食回合穿插休息阶段,与个人独自栖息在墙壁上的房子或树上接近觅食地点。它的结论是,藜是很好地适应人类的环境。它们对栖息在人类居住地的栖息地有很强的吸引力,这些栖息地靠近一系列觅食地,在那里它们可以利用有利的土地管理做法。
Radio-tracking was used to determine the foraging behaviour and habitat use of the serotine bat, Eptesicus serotinus, at two roosts in southern England. The bars commuted an average of 6.5 km to and from distinct foraging sites and used up to five sites per night. Serotines foraged in a wide range of habitats and were able to locate and exploit temporary feeding sites such as recently mown grass. They foraged regularly around white streetlamps and in late summer over cattle pasture on which fresh dung was present. Reproductively active females were strongly philopatric to their day-roost. In contrast, reproductively inactive females, from the same roosts, moved to new day-roosts up to 10 km from the site of capture. Serotines used three distinct foraging strategies: short flights, ground feeding, and, predominantly, aerial hawking. Foraging bouts were interspersed with resting phases, with individuals roosting alone on walls of houses or in trees close to foraging sites. It is concluded that serotines are well adapted to an anthropogenic environment. They are strongly philopatric to roosts in human habitations, in close proximity to a range of feeding sites where they can take advantage of favourable land management practices.