Redheaded Woodpeckers nearing fledging brood one

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This pair of birds has been mating and nesting since 4/14; starting building nest in tree cavity on 4/22; began feeding chicks on 5/18; and now are making continuous trips to feed. My guess it that the fledglings will emerge tis week sometime; stay tuned. I try to visit the nesting site ever other day.