These hulled sunflower seeds can be purchased whole or as chips, (sometimes called hearts) and both forms are used in many wild bird seed mixes. These hulled seeds make no mess of shells that accumulate under the feeders as with the striped sunflower seeds or black oil sunflower seeds. You must remember though, that the shells of sunflower seeds contain a component that is toxic to grass. This component will kill any grass that is growing around or beneath your feeders. Raking up these seeds are a must and because of this, many people often choose hulled sunflower seeds.
Feeding the birds hulled sunflower seeds can be a huge benefit to the birds because none of their precious energy reserves are wasted opening the shells during the cold winter monts.Hulled sunflower seeds attract a larger variety of species including birds that are not equipped with the beaks to crack open shells or not usually associated with eating sunflower seeds. By putting this seed out you may see robins, thrushes, mockingbirds, thrashers, catbirds, sparrows and bluebirds feeding at the base of your feeders.
The best reason to put out hulled sunflower seeds though, is to attract goldfinches. They simply cannot resist this food. Hulled sunflower seeds practically guarantee they'll be regular visitors at any feeder. Don't be surpised if you also see house wrens, purple finches, chickadees, titmice, nuthatches, cardinals, grosbeaks and
Because the shells have to be removed, these seeds are costlier than sunflower seeds in the shell. There is a draw back to buying hulled sunflower seeds. The shelled seeds tend to spoil faster if exposed to dampness, so watch what type of feeder you use. They should be offered in feeders that provide protection from the elements so they stay dry for the birds to enjoy.