What does hunting the Wren mean?

"Hunting the Wren" is a traditional custom observed in various parts of the British Isles, particularly Ireland and parts of Wales. It typically takes place on St. Stephen's Day (December 26) and involves groups of people searching for a wren, which is a small bird. Historically, this practice symbolizes the end of the old year and the welcoming of the new one, with the wren often being associated with sacrifice and the renewal of life. The celebration often includes music, dancing, and a festive procession, reflecting community spirit and folklore.