新疆阿尔金山保护区工作人员拍摄到藏马熊携幼崽下山觅食珍贵影像|成人乱码一区二区三区av

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  11月4日清晨,新疆阿尔金山保护区的工作人员在巡护的过程中拍摄到一头成年藏马熊带领两只幼崽刨挖鼠兔洞穴觅食的珍贵画面。从画面中我们能够清晰的看见,成年藏马熊正用宽厚有力的前爪快速刨挖沙土,两只毛色棕黑相间的幼崽蹲坐一旁,时而模仿母熊的动作扒拉地面,时而警惕地观察周围动静。作为高原的“挖洞能手”,藏马熊凭借锋利爪牙能轻松破开鼠兔、旱獭的洞穴,这类小型啮齿动物是其秋冬季节主要的蛋白质来源。藏马熊又名西藏棕熊,是高原特有的棕熊亚种,毛色以褐黑色为主,颈部标志性的白色领环在阳光下格外醒目。作为独居性动物,此时母熊带幼崽活动,既是传授捕猎技巧,也是为幼崽储备越冬体能,藏马熊幼崽需在首次冬眠前增重至成年个体的60%以上,才能顺利度过长达4个月的休眠期。此次拍摄到的幼崽体型健硕,显示其育幼成功率较高,也印证了保护区生态系统的健康状态。目前,这只藏马熊家族仍在2号界碑区域周边频繁活动,除捕食啮齿动物外,还会采食沙棘浆果、根茎类植物补充能量。待11月中旬气温降至零下10℃左右,它们将躲入偏僻山洞进入冬眠,直至次年3月高原回暖后苏醒。

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发布于:北京市