Shepherd is a type rather than a single breed. On adoption listings it most often means a German Shepherd or a German Shepherd mix, but it can also cover Australian, Belgian, Dutch and English Shepherds and crosses with Labs, Huskies and other dogs. What ties them together is ancestry in herding and flock-guarding work, where dogs gathered, moved and protected livestock.
Most are medium to large, athletic and quick to learn, with a thick shedding coat and a strong wish to stay close to their people. Some are reserved or protective with strangers, so steady socialization helps on busy Davenport sidewalks and at trailheads. Because ancestry varies, a dog's size, energy and coat can differ a lot from what the label suggests, so watch how each dog behaves rather than relying on the name.