A cubic centimeter (cc) is volume which is a measure of the displacement of the engine. This is the total volume of all the cylinders (no. of cylinders x cross section area x stroke length) 1000 cc = one liter. so a 1500 cc engine is the equivalent displacement of a 1.5 liter engine.
The trumpeter swan (Cygnus buccinator) is a species of swan found in North America. The heaviest living bird native to North America, it also is on average, the largest extant species of waterfowl with a wingspan that may exceed 10 ft (3.0 m).
Mute swan. Species and Origin: Mute swans are a large species of white waterfowl. Adult mute swans have all white plumage, vibrant orange bills, and black knobs above the bill. Young birds have grayish bills. Native swans have entirely black bills. Mute swans are native to Europe and Asia.