| molecular phylogeny and evolutionary history of the tit-tyrants (aves: tyrannidae). | tit-tyrants of the genus anairetes presently consist of six species; five inhabit various regions along the andean cordillera of south america and one is endemic to the juan fernandez islands off the coast of chile. data from mtdna nd2 and cyt b sequences were used to construct a phylogeny for all anairetes species as well as uromyias agilis, a closely related genus, and stigmatura as an outgroup, to determine their relationships and history of radiation in south america. results strongly suppor ... | 1999 | 10082611 |