Call of the wild

摘要

Alexandra Morton is about as independent a scientist as you're likely to find. For the past two decades she has been living in remote Echo Bay in British Columbia studyingthe intricate patterns of sounds killer whales use to communicate. She has had no graduate training, yet has become an authority on orcas. On her boat, she talked to Bob Holmes about her unusual career, her passion forthe wild and the curse of salmon farming.