14 ฤดูกาล
56 ตอน
Changing Seas - Season 11 Episode 4
Each winter, a population of humpback whales migrates to its breeding grounds in the Hawaiian Islands. It is here that male humpbacks perform their elaborate and haunting song. Experts are studying the purpose of this song and what it might tell them about the animals’ overall fitness.
- ประเทศ : United States of America
- ประเภท : Documentary
- ผู้อำนวยการ :
- นักแสดง : Craig Sechler
