#Regram #RG @oceana: A southern resident killer whale calf swims beside its mother through the Haro Strait. Unfortunately, sightings of these endangered marine species are becoming increasingly rare. A recent study in the journal PLOS ONE found that as high as 69 percent of Southern Resident killer whale pregnancies end in failure. What's to blame? The truth is that humans are wiping out most of the whale's food supply. Visit OCEANA.org/blog to learn how these endangered whales are careening towards extinction, and why scientists believe they might have found a solution that offers a glimmer of hope. : Monika Wieland Shields