科普说喜欢从人类那里乞食的海豚死亡率更高,生育幼崽更多,幼崽死亡率更高,幼崽和同伴会学习乞食行为,循环
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@Ruta 看看,靠别人养活是没有未来的,连带着后代和同类都受影响,还是靠自己靠谱,希望某些女同胞们放弃幻想支棱起来。

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