Birds of a feather flock together and – according to a new analysis – so do their lice. A study of the genetic heritage of avian feather lice indicates that their louse ancestors first colonized a particular group of birds (ducks or songbirds, for example) and then "radiated" to different...

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Constantine Alexander's Blog was launched to share with you international wildlife news, exciting environmental research activities, political action or inaction, and what each of us can do to ensure that the wisdom of nature endures for the benefit of us all as we are mere caretakers of nature for future generations of all species which have a right to thrive in and contribute to a healthy and beautiful world.