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Biochemical and Morphometric Relationships among Some Members of the Cardinalinae

Jeffrey W. Tamplin, James W. Demastes and J. V. Remsen, Jr.
The Wilson Bulletin
Vol. 105, No. 1 (Mar., 1993), pp. 93-113
Stable URL: http://www.jstor.org/stable/4163252
Page Count: 21
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Biochemical and Morphometric Relationships among Some Members of the Cardinalinae
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Abstract

We used starch-gel electrophoresis to analyze relationships among 13 species in the subfamily Cardinalinae. These results were compared to a morphometric analysis of 15 skeletal characters and to a previous morphometric analysis of the subfamily by Hellack and Schnell (1977). Our results supported the phenetic classification of Hellack and Schnell and were more consistent with the classification of Hellmayr (1938) than with that of Paynter (1970). Divergence in morphometrics of skeletal characters in the Cardinalinae has been primarily in size. Electrophoretic data suggest that the Yellow-shouldered Grosbeak (Caryothraustes humeralis) is not a member of the Cardinalinae. In addition, if the broad genus Saltator is to be retained, then the genus Pitylus should be merged into it, and the Dickcissel (Spiza americana) is the outgroup to all other Cardinalinae examined (excluding Caryothraustes humeralis).

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