Spend enough time in an old-growth forest or out on a high desert trail and you’ll eventually hear one: the deep, sonorous hoot of a great horned owl, or the barred owl’s unmistakable “who cooks for ...

[WATCH: In the video player above, get a rare look at Great Horned Owl nest.] (WJW) — What’s that sound? Wildlife experts in Ohio say an eerie hissing sound coming from the trees could be a young ...