Eirik Blom article on IBWO skepticism

A couple of years ago, this article by the late Eirik A.T. Blom was published. Please read the whole thing--I think it is as relevant today as it was two years ago.

Here's a key snippet:

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....What that means is that there are not a couple of last, lost ivory-billeds that have been hiding for the past 50 years. It means that there have been generations of birds, birds breeding and successfully raising young. Given failures, unexpected deaths, and natural mortality, at least 10 generations and probably four times that. And there have to be enough birds to breed without inbreeding themselves out of existence. We are not talking about a couple of woodpeckers, we are talking about a bunch of them. And where have they been hiding? One bird might elude detection for a while, but not clumps of them.
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