Blue whales with low reproduction in Gulf of St. Lawrence alarm researchers

A study of the blue whale in the Gulf of St. Lawrence indicates alarmingly low calving rates for the endangered species, the Sierra Club Canada says.

Source: http://www.cbc.ca/news/technology/blue-whales-in-gulf-of-st-lawrence-have-low-calving-rates-study-finds-1.2734295?cmp=rss