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Bird ReproductionMost birds are monogamous, but polygamy is not uncommon. Birds lay eggs. The numbers of eggs laid for a single nesting varies from 1 to 25. Nearly all birds incubate their eggs. The incubation period depends on the species. 
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Bird ReproductionMost birds are monogamous, but polygamy is not uncommon. Birds lay eggs. The numbers of eggs laid for a single nesting varies from 1 to 25. Nearly all birds incubate their eggs. The incubation period depends on the species.
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