First karyotypical description of two American Ciconiiform birds, Mycteria americana (Ciconiidae) and Platalea ajaja (Threskiornithidae) and its significance for the chromosome evolutionary and biological conservation approaches

作者: Mercival Roberto Francisco , Pedro Manoel Galetti Junior

DOI: 10.1590/S1415-47572000000400015

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摘要: The karyotypes of Mycteria americana (Ciconiidae) and Platalea ajaja (Threskiornithidae) are described. Both species have a diploid number 2n = 72. There slight chromosome morphology differences, which could be related to distinct evolution pathways these two families. Besides better understanding the relationships among Ciconiiformes, this first characterization M. P. is an important tool for conservation both species.

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