HOUSTON, Minn. — The International Owl Center’s annual festival begins Friday with bus trips to remote areas to call in wild owls with expert callers. Weekend attractions include the Illinois Raptor Center’s live program featuring snowy, eastern screech, barred, barn, great horned owls and possibly a short-eared owl. These are in addition to center’s resident owls. Saturday kicks off with an owl-face pancake breakfast at the Cross of Christ Lutheran Church. Then comes lessons on nest box-building, pellet dissecting, hooting and owl calling. Details.