But mammals like pigs can't selectively provision their offspring the way birds do
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Weakest Piglets May Sneak Help from Strongest Siblings - Scientific American weaker individuals can be at a big disadvantage. If there's not enough food, for example, a mother bird might offer more to those chicks who are more likely to survive. Nature's a rough place. <span>But mammals like pigs can't selectively provision their offspring the way birds do, because all the babies nurse at the same time. And yet the strongest piglets still seem to have an edge. One hypothesis goes that the weaklings might not have sufficient energy to stim Summary
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