The term 'Raucous Bird' can be broken down into four crossword solutions: CROW (4 letters), MAGPIE (6 letters), JAY (3 letters), and MACAW (5 letters). The CROW is a large black bird found in many parts of the world, known for its loud cawing call. The MAGPIE is a black and white bird found in Europe, Asia, and North America, and is known for its loud chattering. The JAY is a colorful bird found in Europe, Asia, and North America, and is known for its loud screeching call. The MACAW is a large, brightly colored parrot found in Central and South America, and is known for its loud squawking. Finally, the COW is a large domesticated animal found in many parts of the world, known for its loud mooing.