In Dublin's Clontarf, a black and white wagtail flits along the waterfront, its tail a blur of constant motion. The bird's?? (h?i bái - black and white) plumage contrasts sharply with the backdrop of the river, making it a striking sight. Its acrobatics are captivating - as it forages for food, its tail flicks up and down tirelessly, adding a playful rhythm to its movements.