這是一年中北極熊從冬季巢穴中出來的時候。在今天的照片中，這些可愛的幼崽是他們幼年生活中第一次向外窺視。從技術上講，北極熊不會冬眠，但在秋天，懷孕的雌性北極熊會在雪地裡挖一個產房（儘管在某些地區它會在泥炭土下）。在她的小巢穴裡，熊進入休眠狀態，幾乎一直在睡覺，直到她分娩，通常在11月到2月之間。然後，到了春天，她會把自己挖出來，和她剛出生的幼崽們一起出現。北極熊幼崽在一直與母親生活差不多兩年，不斷學習生存技能。照片中的幼崽生活在加拿大馬尼托巴省的瓦普斯克國家公園，這裡被稱為“世界北極熊之都”。這裡是在自然環境中看到北極熊的最佳地點之一，尤其是當它們在秋天搬到那裡時，等待哈德遜灣結冰，然後出發獵捕海豹。
Anybody out there?
This is the time of year that polar bears emerge from their winter dens. In today's photo, these adorable cubs are peeking out for the first time in their young lives. Polar bears don't technically hibernate, but in fall, a pregnant female polar bear will dig a maternity den in the snow (although in some areas it'll be under the peat soil). While in her small den, the bear enters a dormant state, sleeping nearly all the time, until she gives birth, usually between November and February. Then, in spring she'll dig herself out and emerge with her recently arrived cubs. Polar bear cubs stay with their mother for about two years as they learn to survive in the Arctic.
The cubs in this photo are in Wapusk National Park in Manitoba, Canada, which is known as the 'Polar Bear Capital of the World.' It's one of the best places to see polar bears in their natural environment—especially when they move there in the fall, waiting for Hudson Bay to freeze before heading out to hunt for seals.
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