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拍摄“大猫日志"的原班人马所创作另一作品,充满危险、幽默和冒险。记录了北美旷野中生存的三种熊的生活:英属哥伦比亚黑熊;哈德森湾北极熊和阿拉斯加棕熊;进入秋季所有的熊类都大吃大喝,以储备冬眠所需的脂肪。为了寻求足够的食物来源,有些熊甚至闯入城镇捡食垃圾。这些给双方带来怎样的麻烦?