雪橇犬被主人綁在岸邊，這時突然有隻巨大北極熊朝牠逼近，沒想到結局跌破眾人眼鏡！

在面臨生命受到威脅的時候，即便是眼前威脅遠遠超出自己能力可以對付的範圍，也會因著腎上腺素激增而奮力一搏！

根據Mirror報導，加拿大北方出現了這驚險的一幕，有隻雪橇犬被主人栓在岸邊，這時有隻北極熊好奇的朝牠逼近，面對這體型大出牠數倍的龐然大物，雪橇犬馬上啟動了「生存模式」，既然逃不過就硬著頭皮上了！

▼被主人栓在岸邊的雪橇犬正面迎擊龐大的北極熊

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼雪橇犬的腎上腺素暴增，進入生死決鬥模式

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼在北極熊有任何反應前就先發制人

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼你這傻大個想要做什麼，老子可是不好惹的！

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼面對靠近的北極熊，狗狗齜牙裂嘴，表情滿分

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼瘋狗莫惹，看來北極熊知道眼前的狗狗已抱著跟牠決一死戰的心態

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼結果北極熊敗了，默默的走到角落畫圈圈

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

▼而這精采的對決過程都被義大利攝影師 Alberto Panizza拍下

Alberto Panizza/Caters News / Via  http://www.dailymail.co.uk/news/article-2842348/Barking-mad-moment-fearless-guard-dog-took-polar-bear-twice-size-WON.html

不過汪星人在北極熊走遠後可能就立馬腿軟了XD。等到主人回來，牠可能會想跟主人說：「說出來你可能不信，哥剛剛勇猛的擊退了一隻熊」