變更

[[File:帝雁.jpg|thumb|right|帝雁 [https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%B8%9D%E9%9B%81&step_word=&hs=0&pn=2&spn=0&di=178650&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=3155044685%2C1712122753&os=1075541649%2C2596784177&simid=0%2C0&adpicid=0&lpn=0&ln=1862&fr=&fmq=1593426063591_R&fm=result&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=15&oriquery=&objurl=http%3A%2F%2Fimg.niaobaike.com%2FEditor%2F2016-04-27%2F5720239e5a3b0.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bgtw5kwthj_z%26e3Bv54AzdH3FkwthjAzdH3Fbb8n_z%26e3Bip4s%3Fu654wrr&gsm=3&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原图链接] [https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%B8%9D%E9%9B%81&step_word=&hs=0&pn=2&spn=0&di=178650&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=3155044685%2C1712122753&os=1075541649%2C2596784177&simid=0%2C0&adpicid=0&lpn=0&ln=1862&fr=&fmq=1593426063591_R&fm=result&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=15&oriquery=&objurl=http%3A%2F%2Fimg.niaobaike.com%2FEditor%2F2016-04-27%2F5720239e5a3b0.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bgtw5kwthj_z%26e3Bv54AzdH3FkwthjAzdH3Fbb8n_z%26e3Bip4s%3Fu654wrr&gsm=3&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 图片来自于百度图片] ]]

'''帝雁'''

是雁属中体形大，个体重的鸟类。飞行时双翼拍打用力，振翅频率高。脖子较长。腿位于身体的中心支点，行走自如。有扁平的喙，边缘锯齿状，有助于过滤食物。有迁徙的习性，迁飞距离也较远。喜群居，飞行时成有序的队列，有一字形、人字形等。为一夫一妻制，雌雄共同参与雏鸟的的养育。

==目录==

==分布范围==

帝雁分布区仅限于白令海，在北极和亚北极的美国极东北端阿拉斯加繁殖，越冬从东部沿海至俄罗斯，主要沿冰面到阿留申群岛海岸。在加拿大和阿拉斯加半岛的数量较小，有极少数南下至美国加州。

<ref>[https://baike.baidu.com/item/%E5%B8%9D%E9%9B%81/7343367?fr=aladdin 帝雁分布范围] </ref>