Rostock Tumbler — a small, compact, very proportional breed of high-flying tumbling pigeons. One of the smallest tumblers. Weight 240–310 g (ideal 260–280 g), body length 220–260 mm, wingspan 480–540 mm. Build strong, muscular, almost cubic in shape. Head small, rounded, apple-shaped, slightly flattened on top, broad in the frontal area, length 38–42 mm, high forehead, rounded occiput. Eyes large (9–11 mm), dark brown to black. Beak short (14–17 mm), powerful, slightly curved. Neck short (45–55 mm), thick, strongly arched. Body short, broad, deep, almost square. Wings short and wide (160–175 mm), held tightly against the body, tips reaching the end of the tail. Legs very short (tarsus 22–27 mm), clean. Tail short (70–85 mm), tightly closed, 12–14 rectrices, angle 30–40°. Plumage dense, stiff, glossy. Allowed colors: black, red, yellow, blue, silver (solid and pied). Distinguished from other tumblers by smaller size, rounded head, very short beak, square body, and low stance.