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| - In summer, one-quarter or more of a grackle???s diet may be animals, including beetles, grasshoppers, caterpillars, spiders, crustaceans, mollusks, fish, frogs, salamanders, mice, and other birds.Back to Top NestingNesting FactsClutch Size1???7 eggsNumber of Broods1-2 broodsEgg Length1???1.3 in 2.5???3.3 cmEgg Width0.7???0.9 in 1.9???2.3 cmIncubation Period11???15 daysNestling Period10???17 daysEg
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