Population structure of the Tricolored Blackbird (Agelaius tricolor) in California: are northern and southern populations genetically distinct?

Date: 
July 15, 2014

This report, by Elena Berg, John Pollinger, and Tom Smith of the Center for Tropical Research at UCLA, provides the results of their analysis of the genetic structure within tricolors to help evaluate whether there is a single genetically homogenous population to conserve, or instead whether there are indeed two (or more) distinct populations that should be managed separately. Their analysis showed that there were some unique alleles in southern California but that there was not sufficient genetic differentiation to consider the southern California population a genetically distinct evolutionary unit from the Central Valley or Kern River Valley populations.

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UCLA TRBL Genetics Study Final Report.pdf631.16 KB