*Great* story on how sequencing is confounding classification of animals like the red wolf as a distinctive species https://newrepublic.com/article/124453/whats-species-anyways …
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@sarahdoingthing One thing that's difficult is that experimentally it is hard to demonstrate fitness costs for sexual selection -
@Billare survival costs, on the costly signal theory? - 3 more replies
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@sarahdoingthing Hm, there's an idea. One question is how much non-neutral processes govern species evolution—i.e. how impt is the choice -
@Billare I read that some cichlids hybridize but hybrids don't display intermediate color, a genetic path preserves one or the other - 2 more replies
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