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• Russian cuckoos are invading Alaska, and native songbirds are at risk

  May 25, 2018 12:15 pm by Audubon MagazineIllinois in the News
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  Audubon (May 23) '[They] have no defenses against invading cuckoos,' says Illinois professor Mark Hauber. 'They are in for some tough times, and their numbers may dwindle. So this is a true risk.'

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