A black bear sighting can turn a peaceful hike into a stressful situation in an instant. But one Washington hiker's calm response is serving as a useful reminder that staying composed can help protect both people and wildlife when hiking trails wander through animal habitat. What happened? In a video shared on TikTok, content creator Eva Seelye caught a black bear on camera while she and her group were on a trail in Washington. @evaseelye Runni…