@vgr Difficulty in feeding offspring.
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@vgr If offspring can drink mother's milk, it could use/eat something like that later in life too rather than restrict to drinking blood?
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@vgr Isn't eating eggs or dairy a form of parasitism? This definition would not exclude: http://www.vocabulary.com/dictionary/parasitism … -
@willgadea A stretch since farmed animals (despite cruelty of factory farming) would not be such a huge fraction of biomass w/o humans - Show replies
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@vgr Aren't most parasites smaller than the smallest mammal? -
@emareaf I think so - Show replies
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