What is costco bird seed?

As an AI language model, I don't have access to current pricing information, but here are some general facts about Costco bird seed:

• Costco offers a wide variety of bird seeds, including blends for different types of birds such as wild birds or songbirds, as well as premium mixes that include nuts and fruits.
• The size of the bags varies depending on the type of seed, but typically ranges from 20 to 40 pounds.
• Costco's proprietary brand for bird seed is Kirkland Signature, but they also carry other brands such as Wagner's and Morning Song.
• Customers can purchase bird seed in-store or online on Costco's website.
• Reviews for Costco's bird seed products are generally positive, with customers praising the quality and value.
• Costco's bird seed products are not available at all locations, so customers should check with their local store before making a trip.