The term 'Type of Finch' can refer to three different species of finch: SERIN, Redpoll, and Treban. The SERIN is a small yellow-green finch native to Europe and North Africa. The Redpoll is a small finch with a red cap and pinkish breast native to the northern parts of Europe, Asia, and North America. The Treban is a small brown finch native to the Mediterranean region. All three species are popular among birdwatchers and are known for their distinctive songs.