A man's quest to stop the decline of orcas

Orcas are one of the most familiar forms of sea life, but in the wild, they are increasingly rare. For over four decades, a team of researchers has been studying three pods of orcas in the Pacific Northwest. The data collected has given an inside look at the endangered whales' family structures, behavior and longevity. Michelle Miller has more.

"CBS Saturday Morning" co-hosts Jeff Glor, Michelle Miller and Dana Jacobson deliver two hours of original reporting and breaking news, as well as profiles of leading figures in culture and the arts. Watch "CBS Saturday Morning" at 7 a.m. ET on CBS and 8 a.m. ET on the CBS News app.

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Видео A man's quest to stop the decline of orcas канала CBS Mornings