兔耳袋狸繁榮

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來源:阿德萊德大學媒體

在澳大利亞中部一個14平方公里的圍欄內,由於一項旨在將更大區域恢復到前歐洲狀態的專案的努力,兔耳袋狸寶寶再次安家落戶。這些稀有的袋狸以及許多其他動植物曾經在該地區繁衍生息,但由於土地開墾和貓、兔子和狐狸等物種的引入而急劇減少。“乾旱區恢復專案”希望透過根除引進物種、恢復原生植被並在羅克斯比唐斯地區60平方公里的範圍內重新建立本地動物來扭轉這些影響。大兔耳袋狸(右圖)的重新引入是他們最新的成功。

該專案在復活節放生了九隻兔耳袋狸。隨著第二批幼崽從育兒袋中出來,他們估計現在大約有20只兔耳袋狸居住在該地點。研究人員計劃利用兔耳袋狸的繁榮期,這為研究這些鮮為人知的有袋動物提供了寶貴的機會。專案協調員凱瑟琳·莫斯比表示,對已安裝發射器的兔耳袋狸的初步觀察表明,這些動物正在圍欄內四處活動,並大量挖掘它們最喜歡的根和昆蟲。一個防貓、防兔和防狐狸的圍欄的建造為這些有袋動物提供了關鍵的保護,而將整個60平方公里圍起來的計劃應該在年底前完成。莫斯比說:“一旦我們清除掉最後剩下的兔子,兔耳袋狸明年就可以進入整個專案區域了。” “到那時,一些真正有趣的研究就可以開始了。”

Kate Wong is an award-winning science writer and senior editor at 大眾科學 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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