The newest member of the Southern Resident killer whale population, L122, just days after being born to first-time mother L91. Thanks to a drone, researchers received good news about a beloved, yet endangered, killer whale community in the United States. High-definition photographs of 81 endangered southern resident killer whales revealed they are fat, in good health and may be poised to welcome a few new calves to the family. The southern resident killer whale population was recently at a three-decade low, prompting concern from scientists. But these stunning photographs indicate the whales are in good shape, despite the formidable challenges they still face.