Nine types of bird seed are common in bird seed blends: black-oil sunflower, cracked corn, Nyjer^®, red milo, safflower, striped sunflower, sunflower hearts, white proso millet, and whole peanuts.  For each type of bird seed, the nutritional content, size, and species it attracts is below.

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Black-oil Sunflower
Nutritional Content (%): Fat – 43, Fiber – 13, and Protein – 16
Size (mm): Length – 9.6, Width – 4.9, and Depth – 2.3
Attracts: Chickadees, doves, finches, goldfinches, grosbeaks, Northern Cardinal, nuthatches, Pine Siskin, titmice, and woodpeckers

Cracked Corn
Nutritional Content (%): Fat – 2, Fiber – 2, and
Protein – 8
Size (mm): Length – 6.8, Width – 4.1, and Depth – 2.8
Attracts: Jays

Nyjer^®
Nutritional Content (%): Fat – 40, Fiber – 14, and Protein – 22
Size (mm): Length – 4.2, Width – 1.2, and Depth – 1.0
Attracts: Common Redpoll, Dark-eyed Junco, doves, finches, goldfinches, Indigo Bunting, and Pine Siskin
Alias: Thistle

Red Milo
Nutritional Content (%): Fat – 2, Fiber – 2, and
Protein – 11
Size (mm): Length – 4.1, Width – 3.7, and Depth – 2.5
Attracts: None

 


Safflower
Nutritional Content (%): Fat – 38, Fiber – 21, and Protein – 14
Size (mm): Length – 7.2, Width – 3.8, and Depth – 2.8
Attracts: Doves, Purple Finch, and titmice


  

Striped Sunflower
Nutritional Content (%): Fat – 26, Fiber – 20, and Protein – 23
Size (mm): Length – 14.6, Width – 6.7, and Depth – 3.2
Attracts: Chickadees, doves, grosbeaks, Northern Cardinal, nuthatches, titmice, and woodpeckers

Sunflower Hearts
Nutritional Content (%): Fat – 56, Fiber – 4, and
Protein – 24
Size (mm): Length – 4.4, Width – 2.7, and Depth – 1.6
Attracts: Chickadees, Common Redpoll, Dark-eyed Junco, doves, finches, goldfinches, grosbeaks, nuthatches, Pine Siskin, titmice, and woodpeckers
Aliases: Hulled Sunflower and Sunflower Chips

White Proso Millet
Nutritional Content (%): Fat – 4, Fiber – 6, and
Protein – 11
Size (mm): Length – 2.7, Width – 2.2, and Depth – 1.7
Attracts: Dark-eyed Junco, doves, Indigo Bunting, sparrows, and towhees

Whole Peanuts
Nutritional Content (%): Fat – 45, Fiber – 2, and
Protein – 24
Size (mm): Length – 13.3, Width – 6.7, and Depth – 7.9
Attracts: Jays, nuthatches, titmice, and woodpeckers
Alias: Peanut Splits