Russ JM, Racey PA, Jones G
Department of Zoology, University of Aberdeen
Anim Behav. 1998 Mar;55(3):705-13. doi: 10.1006/anbe.1997.0665.
Responses of the vespertilionid bat Pipistrellus pipistrellus to five recently caught conspecifics confined to a wire-mesh cage, at distances of 50 and 5 m from their roosts, were recorded on 12 separate evenings at three roosts during pregnancy and lactation. When bats were confined 50 m from their roost, an almost 20-fold increase in the number of bats that passed across an open site around the cage was recorded and the strength of response (number of bat passes) increased with time. When the bats were 5 m from the roost there was an 80-fold increase in bat activity above the cage. Playbacks of recorded distress calls produced by single hand-held bats resulted in a more than three-fold increase in bat passes, but the response waned rapidly. The distress calls of recently caught P. pipistrellus were generally similar to those of individuals from the same colony held for longer in captivity, and differences in distress calls between two of the three colonies studied probably reflect differences in the physiological states of recorded bats, rather than the existence of colony-specific vocalizations. Distress calls probably function in attracting conspecifics which perform mobbing behaviour as an anti-predator response. Copyright 1998 The Association for the Study of Animal Behaviour Copyright 1998 The Association for the Study of Animal Behaviour.
在孕期和哺乳期，于三个栖息地，在12个不同的夜晚记录了伏翼蝙蝠（ Pipistrellus pipistrellus）对五只最近捕获的被关在金属丝网笼中的同种蝙蝠的反应，这些蝙蝠被放置在距离它们栖息地50米和5米的地方。当蝙蝠被关在距离其栖息地50米处时，记录到穿过笼子周围开阔地带的蝙蝠数量增加了近20倍，并且反应强度（蝙蝠飞过的次数）随时间增加。当蝙蝠距离栖息地5米时，笼子上方的蝙蝠活动增加了80倍。由单只手持蝙蝠发出的记录的遇险叫声回放导致蝙蝠飞过次数增加了三倍多，但反应迅速减弱。最近捕获的伏翼蝙蝠的遇险叫声通常与在圈养中饲养时间更长的同一群体个体的叫声相似，并且所研究的三个群体中的两个群体之间遇险叫声的差异可能反映了被记录蝙蝠生理状态的差异，而不是存在群体特异性叫声。遇险叫声可能起到吸引同种个体的作用，这些个体进行围攻行为作为一种反捕食者反应。版权所有1998动物行为研究协会 版权所有1998动物行为研究协会
