研究表明,對金獅面狨的捕獵在增加,這使金獅面狨數量顯著減小。[27]1992年調查發現,野生金獅面狨數量為562隻,分屬109個群體。到2003年,平均一個群體有3.6 to 5.7隻個體,密度為每平方公里0.39到2.35個群體[28] 捕獵常發生在金獅面狨的睡覺的巢穴里。金獅面狨大部分巢穴(約63.6%)為樹洞,捕獵者把巢穴弄大,以便攻擊金獅面狨,有時候會包圓整個家庭。金獅面狨喜歡的巢穴是一棵大樹旁邊的活着的樹上的樹洞,並被植物蓋住一小部分洞口。這些巢穴不僅是金獅面狨睡覺的地方,還為其提供保護,並方便覓食。絕大部分樹洞巢穴低於地面,以方便出入。選活樹的樹洞,因為這樣的樹洞更乾燥溫暖,昆蟲少,這樣可以降低患傳染病的幾率。洞口有覆蓋物,以便面狨及時發現捕獵者和天敵,周圍有大樹,這樣可以很快逃跑。[27]由於面狨的棲息地在退化,支持整個群體的樹變得越來越少,有些面狨轉把巢穴設在竹子(17.5%)、藤叢(9.6%)、鳳梨科植物(4.7%)等植物上,這使自己更容易被捕獵。金獅面狨會換巢穴,但不經常。它們更傾向於重複使用能提供保護的巢穴,這使獵人容易鎖定目標。金獅面狨會用氣味標誌自己的巢穴,這樣可以在獵人活動活躍的下午更快地返回巢穴。但是氣味太濃也方便獵人搜尋目標。森林濫砍濫伐愈演愈烈,使金獅面狨的生活空間越來越少,也減少了獵人的搜尋範圍。 [29]
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