https://www.youtube.com/watch?v=66GKkMoY9-s&list=UUhE2ToGqGw4OpdG7ytDGx-A
White Safflower, microwave a bowl of it for 2 mins then let it cool..this prevents it from sprouting.
Stokes Snack n treats feeder can be found for $5.
Safflower is a favorite for Cardinals, Some Grosbeaks, Doves, House Finches, and ChicachicachiaDEEEEEEEz. Best part is House sparrows, Starlings, Red-wings, and Grackles...oh and Squirrels don't like it. Some young Grackles and some house sparrows will try it from time to time but not conquer the feeder for it like they do with other seeds.
On the topic of Sunflower...
There are many types of Sunflower and different sizes and different grades of each. Each has a positive and a negative. Cheap Sunflower is what most people buy. A 50lb bag can be easily found for $20. Problem is the Meat of the sunflower is tiny so birds will consume more of this than a better larger grade of it. When that happens you are going to grow through the 50lb fast and with a large mess (because a majority of each seed is just shell).
Look around for a local feed store, look for a mom and pop tiny little shop preferably. These places are everywhere on the planet but are hard to find at first. These places will have the best pricing, freshest stock, and usually different type-size-grade of Sunflower seed also. A place by my house in Chicago carry 4 different striped sunflower seed, 5 different black oil sunflower seed and 5 different shelled sunflower seed.
Once you find the feed store look into a 50lb bag of shelled sunflower bits and pieces. I can get mine at $50 so your price will be close or better.
Here is the big difference between crap black oil sunflower in the shell and $20 Vs shelled sunflower bits and pieces at $50.
No shells with the shelled sunflower, no mess.
50lbs of shelled is 50lbs of pure food, less sunflower per pound the birds will go through.
in the shell crap sunflower is mostly shell, like the shell is three times heavier than it would be without. So you're getting 3 times the food per pound..
It would take at the least 150lbs of crap sunflower seed to equal one 50lb bag of the shelled..that is $60 vs $50...the shelled is actually cheaper.
Shelled sunflower comes mainly in three different types.
1 Fine, use this for thistle type feeders as the bits are tiny.
2 Hearts and pieces, Basically the shelled kernel is cracked in two or three smaller pieces.
3 Whole, Kernels are mostly whole and should even have a thin skin still on them.
When feeding Whole Kernels you will see lots of food going to the ground and not being eaten first off. Because for birds it is natural to crack a shell first so they actually think they're cracking a shell but they are actually cracking a whole kernel in half. After uneaten half hits the floor your usual ground feeding birds will eat it but eventually so will mice.
When feeding the bits and pieces though birds will eat the entire bit of food, whatever crumbs get stuck on their beak will hit the ground..then your ground feeders will take care of that. But it won't be anywhere near feeding whole kernels so mice shouldn't become a issue.
The problem with shelled Sunflower is water or moisture. Once it gets wet and then drys it will become brick hard. So you either need to forecast your food with the upcoming weather or just use a feeder where water won't get in as easily. A perfect example of a feeder not to use is any screen or mesh feeder marketed for sunflower seeds, too open to the rain.
Now go buy some Safflower and then look for your little feed shop! Good luck!