兔耳袋狸繁荣

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来源:阿德莱德大学媒体

在澳大利亚中部一个14平方公里的围栏内,由于一项旨在将更大区域恢复到前欧洲状态的项目的努力,兔耳袋狸宝宝再次安家落户。这些稀有的袋狸以及许多其他动植物曾经在该地区繁衍生息,但由于土地开垦和猫、兔子和狐狸等物种的引入而急剧减少。“干旱区恢复项目”希望通过根除引进物种、恢复原生植被并在罗克斯比唐斯地区60平方公里的范围内重新建立本地动物来扭转这些影响。大兔耳袋狸(右图)的重新引入是他们最新的成功。

该项目在复活节放生了九只兔耳袋狸。随着第二批幼崽从育儿袋中出来,他们估计现在大约有20只兔耳袋狸居住在该地点。研究人员计划利用兔耳袋狸的繁荣期,这为研究这些鲜为人知的有袋动物提供了宝贵的机会。项目协调员凯瑟琳·莫斯比表示,对已安装发射器的兔耳袋狸的初步观察表明,这些动物正在围栏内四处活动,并大量挖掘它们最喜欢的根和昆虫。一个防猫、防兔和防狐狸的围栏的建造为这些有袋动物提供了关键的保护,而将整个60平方公里围起来的计划应该在年底前完成。莫斯比说:“一旦我们清除掉最后剩下的兔子,兔耳袋狸明年就可以进入整个项目区域了。” “到那时,一些真正有趣的研究就可以开始了。”

Kate Wong is an award-winning science writer and senior editor at 大众科学 focused on evolution, ecology, anthropology, archaeology, paleontology and animal behavior. She is fascinated by human origins, which she has covered for more than 25 years. Recently she has become obsessed with birds. Her reporting has taken her to caves in France and Croatia that Neandertals once called home, to the shores of Kenya's Lake Turkana in search of the oldest stone tools in the world, to Madagascar on an expedition to unearth ancient mammals and dinosaurs, to the icy waters of Antarctica, where humpback whales feast on krill, and on a "Big Day" race around the state of Connecticut to find as many bird species as possible in 24 hours. Kate is co-author, with Donald Johanson, of Lucy's Legacy: The Quest for Human Origins. She holds a bachelor of science degree in biological anthropology and zoology from the University of Michigan. Follow Wong on X (formerly Twitter) @katewong

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