Looks like you may have a cowbird egg in there as well....perhaps a Warbler nest? Cowbirds are notorious for laying an egg in a warbler's nest. The warbler then raises the cowbird as her own, often to the detriment of the baby warblers (or whatever species). It's not pretty, but it's natural.
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Looks like you may have a cowbird egg in there as well....perhaps a Warbler nest? Cowbirds are notorious for laying an egg in a warbler's nest. The warbler then raises the cowbird as her own, often to the detriment of the baby warblers (or whatever species).
It's not pretty, but it's natural.