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Queen Of Her Castle

机译:她的城堡女王

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In fiddler-crab architecture, chimneys-cylindrical mud walls the crabs build around their burrow entrance-have various functions. Depending on the crab species, they hide the hideout from wandering males looking for lodging, shield mating males from rivals, or regulate the burrow's temperature and humidity. News from Australia now suggests that the fiddler crab Uca capricornis uses chimneys to conceal its burrow from intruders, and that females do more building than males.rnEcologist Patricia R.Y. Backwell and her team at the Australian National University in Canberra observed the behavior of U. capricornis chimney builders and nonbuilders, males and females, and individuals of various ages. To test chimney function, they released a crab near burrows with or without chimneys. Most intruders could not find concealed burrows, and even when they did, it took much longer than finding exposed ones. The chimneys effectively kept would-be usurpers out.
机译:在提琴手-螃蟹结构中,螃蟹在其洞穴入口周围建有烟囱圆柱形的泥墙,具有多种功能。根据螃蟹种类的不同,它们将藏身处藏匿在流浪的雄性寻找寄居地的地方,将雄性交配的动物与竞争对手隔离开来,或者调节洞穴的温度和湿度。现在来自澳大利亚的消息表明,招潮蟹Uca capricornis使用烟囱来掩盖入侵者的洞穴,而雌性比雄性做得更多。生态学家Patricia R.Y. Backwell和她在堪培拉的澳大利亚国立大学的团队观察了美国山羊cap烟囱的建造者和非建造者,男性和女性以及各个年龄段的个体的行为。为了测试烟囱的功能,他们在有或没有烟囱的洞穴附近放出了一只螃蟹。大多数入侵者无法找到隐藏的洞穴,即使发现了,也比发现裸露的洞穴要花费更长的时间。烟囱有效地阻止了潜在的窃取者。

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    《Natural history》 |2009年第1期|12|共1页
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