43 ฤดูกาล
671 ตอน
Nature - Season 26 Episode 8
An examination of what the future may hold for polar bears, which evolved from grizzlies during the last ice age, due to the dramatic changes in their Arctic habitat. The documentary also details how grizzlies are expanding their territory northward, encroaching upon the polar bears' domain. Included: a polar bear giving birth; grizzly and polar-bear mothers teaching their cubs to hunt.
- ประเทศ : Germany, United States of America
- ประเภท : Documentary, Family
- ผู้อำนวยการ : George Page, Thomas Lovejoy
- นักแสดง :