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首页> 外文期刊>Canadian Journal of Zoology >Body condition explains little of the interindividual variation in the swarming behaviour of adult male little brown myotis (Myotis lucifugus) in Nova Scotia, Canada
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Body condition explains little of the interindividual variation in the swarming behaviour of adult male little brown myotis (Myotis lucifugus) in Nova Scotia, Canada

机译：身体状况无法解释加拿大新斯科舍省成年雄性棕色褐斑病（Myotis lucifugus）群体行为的个体间差异。

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摘要

Two competing activities of temperate insectivorous bats during the fall swarming period have direct fitness consequences : fat storage for hibernation and mating. This study investigated whether interindividual variation in body condition (as a metric of stored fat; body mass/forearm length) correlated with reproductive status and influenced swarming behaviour of adult male little brown myotis (Myotis lutifugus (Le Conte, 1831)) in Nova Scotia, Canada. We predicted that bats in good body condition would more likely be reproductive and would be more likely to remain at, and closer to, a swarming site than males in poor body condition. As predicted, males in good body condition were more likely to be in advanced reproductive states than those in poorbody condition. However, contrary to the prediction, males in good body condition spent significantly less time at the swarming site than males with poor body condition. There was no difference between bats of contrasting body conditions in the probability of relocating them or how far from the swarming site they roosted. Because variation in swarming behaviours of male M. lutifugus at a swarming site was not explained by body condition, one or more other factors (e.g., social, energetic) must be important.
机译：在秋季成群期间，温带食虫蝙蝠的两个竞争活动具有直接的适应性后果：冬眠和交配的脂肪储存。这项研究调查了个体状况的个体差异（以储存脂肪的量度;体重/前臂长度的度量）是否与新斯科舍省成年雄性小棕褐鼠（Myotis lutifugus（Le Conte，1831））的繁殖状况和成群行为相关。 ，加拿大。我们预测，身体状况良好的蝙蝠与身体状况较差的雄性相比，更可能繁殖，并且更可能留在和靠近蜂群。正如预测的那样，身体状况良好的男性比身体状况较差的男性更可能处于晚期生殖状态。但是，与预言相反，身体状况良好的男性比群体状况较差的男性在蜂拥场所花费的时间明显更少。蝙蝠在身体状况相反的情况下重新安置的可能性或它们栖息在蜂群位置之间的距离没有差异。由于无法通过身体状况来解释成年斑节对虾雄性成群行为的变化，因此一个或多个其他因素（例如，社交，精力充沛）必须很重要。

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