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雁趣 (Canadian Goose) revised

(2008-03-07 19:33:04) 下一個

加拿大雁是北美地區最普通的雁種。從北墨西哥到加拿大到處都可以看到它的足跡。它體型大,適應性強,繁殖力也強,在所有的雁種中屬受保護程度最低者。事實上在很多地區,例如大紐約地區,已經雁滿為患。幾乎所有的公園綠地,隻要有水,便有加拿大雁。就連我們每天jogging的學校田徑場上,也經常有成群的加拿大雁出沒,有時跑道上的雁糞多到下不去腳的地步。加拿大雁的頭和頸也是黑色,翅羽為褐色。它的白色標記是在腮幫子的部位,這是它區別於其他雁種的最重要特征。加拿大雁與中?<?拇笱閌敉?煥嘌恪?br />020308bbg-253a1-2.jpg picture by qqqny
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