Attract goldfinches, purple finches, redpolls, and siskins to your yard with the Perky-Pet finch feeder. This feeder includes our patented flex ports, which offer benefits for birds and you. The flexible rubber port cover is uniquely designed to prevent seed clogging and is the perfect size for small finch seed. This feeder’s unique ports offer more feeding angles than standard finch ports because they’re flexible. The bright yellow accents on this tube feeder are sure to catch the eye of thistle-eating birds as they pass by. With 1.5 pounds of Nyjer to offer, your backyard birds will be in good supply. Plus, the clear tube makes it easy to monitor seed levels at a glance, so you never run out.