棕尾蜂鳥 Rufous-tailed Hummingbird
2007年1月脊椎動物百科全書學名:Amazilia tzacatl
形態:體長10公分,雄鳥嘴紅色,先端黑色,頭、胸、及背部為富有光澤的亮綠色。腹部顏色則為灰黃褐色,尾上、尾下覆羽及尾羽為紅棕色,尾羽的邊緣有些紫褐色。雌鳥嘴黑色,上身綠色部分較雄鳥暗淡,且尾羽外緣的紫褐色較寬。亞成鳥頭部及臉部的羽緣帶有紅棕色,上背黑色。
分布:共4亞種,分布於美洲,自墨西哥東北部至中美洲及南美洲之委瑞內拉及厄瓜多西部。
生態習性:偏好開闊的環境,如灌叢、次生林邊緣、花園及果園,偶爾沿孔隙進入森林中覓食,以多種的花蜜為食,會守衛在花叢旁會建立其領域,以維護其食物資源及進行求偶,叫聲為細碎的tse tse聲。繁殖期在各地區不同,幾乎一整年都有繁殖,巢為一精緻的杯狀,以植物纖維、枯葉及羽毛組成,外面以地衣及青苔裝飾,築於1~6公尺高的開闊藤蔓上。數量普遍。
綱:鳥綱(Class Aves) 目:雨燕目(Order Apodiformes) 科:蜂鳥科(Family Trochilidae)
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