New Granada = line of Panama Railroad, Panama.
Along with T. stolzmanni, T. bicolor, T. albiventer, T. leucorrhoa and T. meyeni, sometimes placed in Iridoprocne, but DNA studies indicate close relationship of these taxa with other members of present genus. DNA data#R#R#R also indicate that present species and T. albiventer are sisters. Birds from NW Mexico (Sonora) sometimes separated as race rhizophorae, but variation not constant. Monotypic.
W & E Mexico (S from C Sonora, SE San Luis Potosí and S Tamaulipas) S to Panama (E to E Colón, Darién and Emberá).
Food and feeding
Status and conservation
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