Sent_en: 2zh Brown bears are no longer found on the British Isles, and it had been thought that polar bears interbred more recently with brown bears living around Alaska.
Sent_yy: 现在在不列颠群岛上已经找不到棕熊了，人们认为北极熊最近与生活在阿拉斯加附近的棕熊杂交。