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for (var i = 0,len = adKeys.length; i 大熊貓正在啃食羚牛骨頭。(陜西佛坪國家級自然保護區管理局供圖) 原標題:佛坪自然保護區拍到珍貴影像:大熊貓也吃肉 新華社西安11月27日電(記者 付瑞霞)大熊貓雖然以竹子為食,有時也會食肉“打牙祭”。近期,陜西佛坪國家級自然保護區管理局開展大熊貓種群生存狀況調查工作,巡護員李水平等人目擊一只大熊貓啃食羚牛的骨頭并拍下珍貴影像。 “我們發現它時,距離不到50米。這一大片山坡上沒有竹林,它能吃啥呢?吃得這么香?原來它在捧著一根一尺多長的骨頭正啃得香。”李水平告訴記者,“它吃了大概10分鐘,然后丟下骨頭,慢慢走進山坡上的林子里,爬上一棵大樹。” 李水平等人還在現場發現好幾根動物骨頭。第二天早晨,工作人員在附近收集了一份特殊的大熊貓糞便樣品。與常見的大熊貓糞便相比,這幾團糞便的顏色灰白,像梭形的石灰棒。 據悉,這是在佛坪國家級自然保護區內第二次拍攝到大熊貓食肉的影像。此前,工作人員在分析大熊貓糞便時,也曾發現部分糞便樣品中存在未消化完全的動物殘骸和毛發。 大熊貓在漫長的演化過程中,為了適應地質歷史上的氣候與棲息地環境變化,改變了食性,以竹子為食,但其消化系統結構依然保留著食肉類祖先的特征。 北京大學研究員、世界自然保護聯盟(IUCN)熊類專家組成員李晟認為:“在秦嶺、岷山、邛崍山等多個地區,也曾有研究記錄到野生大熊貓偶爾會‘打牙祭’,主要是取食動物殘骸。這樣的行為和動物性食物的補充,對于野生大熊貓來說具有什么作用和意義,還需要進一步的研究。”
陜西佛坪自然保護區拍到珍貴影像:大熊貓也吃肉
