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題 名 | 臺灣南部地區東方草鴞在育雛期間的食性分析=Diet of Eastern Grass Owl (Tyto Longimembris) Nestlings in Southern Taiwan |
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作 者 | 曾翌碩; 姚正得; 曾志成; 林世忠; | 書刊名 | 特有生物研究 |
卷 期 | 10:1 2008.01[民97.01] |
頁 次 | 頁1-6 |
分類號 | 388.892 |
關鍵詞 | 東方草鴞; 食性; 食繭; 幼雛期; Eastern grass owl; Tyto longimembris; Diet; Pellet; Nestling stage; |
語 文 | 中文(Chinese) |
中文摘要 | 東方草鴞 (Tyto longimembris Jerdon 1839) 在台灣地區為稀有的留鳥,主要分布在台灣西南部低海拔地區。2003-2005 年間在高雄縣旗山鎮中寮山地區記錄到 3 個草鴞所使用的繁殖巢區。巢位出入口由植株高度較低 (60-80cm) 的白茅 (Imperata cylindrica) 所組成,通道高度約為 30cm ,後方連接較高大 (2-3m) 之甜根子草 (Saccharum spontaneum )、五節芒 (Miscanthus floridulus) 等禾本科植物所組成的巢室,面積約為 180cm x 130cm 。每窩幼雛數為 2-4 隻 (n=3) 。從巢區所拾獲的 43 顆食繭 (2003-2004年)分析結果,旗山地區東方草鴞育雛期間的獵物組成以小型獸類為主,可辨識的種類及數量共計有6 種77 隻,包括鬼鼠 (Bandicota indica) 26 隻、月鼠 (Mus caroli )25 隻、小黃腹鼠 (Rattus losea) 17 隻、赤背條鼠 (Apodemus agrarius) 4 隻和白齒鼩 (Crocidura spp.) 4 隻,鳥類有 1 種 1 隻紅鳩 (Streptopelia tranquebarica),另外在巢區曾發現台灣野兔 (Lepus sinesis formosus) 幼體殘骸。 |
英文摘要 | The eastern grass owl (Tyto longimembris Jerdon 1839) is a rare species of the birds belonging to thefamilyTytonidaeinTaiwan.Itisscatteringlyfoundinthelow-landareasofthesouth-westernTaiwan, and its biology and feeding ecology have been little investigated. We found three nests of this owl in the Chung-liao-san area of Kaohsiung in 2003 to 2005. They were built on the ground and covered by dense tall grasses with a tunnel-like entrance made of short grasses. The brood sizes were 2 to 4. We collected and examined 43 owl pellets from the nests, and identified 77 prey items in the pellets. They were 26 items of Bandicota indica, 25 of Mus caroli, 17 of Rattus losea, 4of Apodemus agrarius, 4ofCrocidura spp. and 1 of Streptopelia tranquebarica. Also, partial remains of the Formosan hare (Lepus sinesis formosus) were found near one of the nests. |
本系統中英文摘要資訊取自各篇刊載內容。