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Mallard duck eggs/nest

My children and I live in a suburban area and have discovered in a flower box in our backyard, a nest of six duck eggs. We are thrilled to witness this sight and potential birth of the ducklings. However, I have been researching with nominal results how we can facilitate the successful birth of the ducklings. I have not seen the mother in a few days, and wonder what are the nesting habits of a female mallard. We have not disturbed the nest, nor let our cat outside for fear he might harm the birds. Please let me know if there is anything else we can do to aid the mallards.

Birding Expert - George H. Harrison

The hen mallard will lay an egg a day until the clutch is complete at perhaps 8-10 eggs. Then she will begin to incubate the eggs for about 28-30 days. The eggs will all hatch on the same day, and as soon as the ducklings dry off, they will leave the nest with the hen and go to water nearby. They will not return to the nest. Please do nothing to try to help the mallards. They will do just fine one their own.

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