RT @DanGraur: I like the moral of the story. Yes, I know natural doesn't equal ethical. Two bird species raised their young in a single ne…
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I like the moral of the story. Yes, I know natural doesn't equal ethical. Two bird species raised their young in a single nest. All four parents provisioned the nestlings with food, and indiscriminately provided food to chicks of both species. https://t.c
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RT @_BTO: A single nest containing the young of both a pair of Black Redstarts and a pair of Common Redstarts is reported for the first tim…