Niches and radiations: A case study on the Andean Sapphire-vented Puffleg (Eriocnemis luciani) and Coppery-naped Puffleg (E. sapphiropygia) (Aves, Trochilidae)

Paolo Ramoni-Perazzi, Karl-L. Schuchmann, André Weller, Irma Alejandra Soto-Werschitz & Marcelo Passamani
The interaction between ecology and evolution, particularly with regard to speciation processes, remains a main topic of scientific research. Andean hummingbirds have undergone a remarkable radiation, with many species exhibiting patchy distributions and, in some cases, taxonomic controversy. An example is the Sapphire-vented Puffleg (Eriocnemis luciani; ssp. baptistae, luciani, and meridae), which some authors merge with the Coppery-naped Puffleg (E. sapphiropygia; ssp. catharina and sapphiropygia). Each group is distributed either north or south from the...
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