What is the connotation and denotation of bird?

The denotation of "bird" refers to a warm-blooded vertebrate animal characterized by feathers, wings, and typically the ability to fly. Its connotation can vary; it often symbolizes freedom and grace, as seen in phrases like "free as a bird," but can also evoke feelings of fragility or vulnerability. Depending on context, birds can represent different themes in literature and culture, such as peace, hope, or the soul.