Biologists are tracking some unusual stranding events around Sitka this summer , and hoping to learn more about what brought about the deaths of two killer whales, and what has made a sea lion gravely ill. The most recent stranded killer whale was found beached on Pain Island, near Kake, in August. Back in June, another killer whale was found dead in Crawfish Inlet south of Sitka. This doesn’t feel normal for these animals, which occupy the top of the food chain in Southeast Alaska. “For the