"With all of that said, though, there's a general lack of evidence of mountain lions in Pennsylvania. That's significant because, in states where mountain lions live, they're often struck by vehicles or otherwise found dead. Here, they've not been," Lau said in an e-mail. "Likewise, I'm not aware of any escapes from captive facilities in my time here. And when our officers go out to investigate reports of mountain lions, or when our staff reviews photos that are sent to us, often we're able to verify some other animal mistakenly was reported as a mountain lion."