Study Shows High Pregnancy Failure in Southern Resident Killer Whales; Links to Nutritional Stress and Low Salmon Abundance
Thursday, June 29, 2017 - 09:02
in Biology & Nature
A multi-year survey of the health of endangered southern resident killer whales suggests that up to two-thirds of pregnancies failed in this population from 2007 to 2014. The study links this orca population's low reproductive success to stress brought on by low abundance of Chinook salmon.