[TN-Bird] White-throated Sparrows and gender

  • From: Bill Pulliam <littlezz@xxxxxxxxx>
  • To: TN-birds Listserv <tn-bird@xxxxxxxxxxxxx>
  • Date: Sun, 26 Apr 2015 09:04:29 -0500

Now that the White-throated Sparrows are in full color for their last few weeks with us, it's a good time to ponder their unusual four- gendered mating system:

http://www.theguardian.com/science/punctuated-equilibrium/2011/may/25/2

Bill Pulliam
Hohenwald TN
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