Summary
We investigated multiple paternity in acorn woodpeckers (Melanerpes formicivorus) from central New Mexico by starch-gel electrophoresis. Seven of thirty-one presumptive genetic loci were polymorphic. Multiple paternity was revealed in one of three multi-male groups sampled on the basis of offspring and adult electrophoretic phendtypes, and was suggested in the two other groups. This study provides the first documentation of multiple paternity for any avian cooperative breeder.
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Joste, N., Ligon, J.D. & Stacey, P.B. Shared paternity in the acorn woodpecker (Melanerpes formicivorus). Behav Ecol Sociobiol 17, 39–41 (1985). https://doi.org/10.1007/BF00299426
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DOI: https://doi.org/10.1007/BF00299426