During cold winter months three similar finches, sometimes referred to as the "red finches" move into different areas. Their ranges can vary year-to-year.
Can you tell which-is-which - Cassin's, House or Purple Finch?
The three species can be hard to identify. If you are seeing a House Finch or Purple Finch that looks just a little different you may have a new species citing your feeder. Visit the Red Finches Identification page to learn about separating these 3 similar species.