It certainly is! I had the best fortune to see one fly up to and perch on a branch of a rose bush a few years ago: I just happened to be sitting by the window and saw a relatively bright blur, realized it was one of these moths, and then watched it land and disappear‽ I looked closely at the branch and saw a lead where there really shouldn't be one, and it was the moth! Didn't manage to get a picture, it was well protected by the thorns!