The California State Bird is the QUAIL, which is a five-letter word. The QUAIL is a small, plump bird that is native to North America and is found in many parts of California. It has a round body, short beak, and long tail feathers. The QUAIL is known for its distinctive call, which is a loud, repetitive 'CHIRP' sound. It is also known for its ability to run quickly and hide in dense vegetation. The QUAIL is an important part of California's ecosystem, providing food for predators and helping to disperse seeds.