The term 'Bird in the Finch Family' can be summarized as the SERIN, a five-letter bird species. The SERIN is a small passerine bird that belongs to the finch family, Fringillidae. It is found in Europe, North Africa, and parts of Asia. It is a seed-eating bird with a bright yellow head and breast, grey wings, and a white belly. The SERIN is a popular cage bird due to its attractive plumage and melodious song.