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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: The conquering of North America: dated phylogenetic and biogeographic inference of migratory behavior in bee hummingbirds

Fig. 1

Phylogenetic 50% majority-rule consensus tree of the Mellisugini hummingbird from the Bayesian analysis of the combined NADH dehydrogenase subunit 2 (ND2) and subunit 4 (ND4) mitochondrial protein coding genes, and fibrinogen beta chain intron (FBG I7), adenylate kinase 1 intron 5 (AK1 I5), ornithine decarboxylase 1 introns 6 and 7 intervening exon (ODC1), and Z-linked muscle, skeletal, receptor tyrosine kinase intron 3 (MUSK I3) nuclear loci. Partitioning considerably improved mean –lnL values in the Bayesian analyses, with unpartitioned arithmetic mean –lnL = −35,190.36, compared with −34,147.09 for two partitions and −3341.47 for six partitions. Bayes factor comparison also indicated that the 6-partitioned analysis provided better explanations than other data analyses: 2lnB (6-partitions/unpartitioned) = 3697.78, and 2lnB (6-partitions/2-partitions) = 1611.24 significantly above the threshold value of 10. Bayesian posterior probabilities (PP) followed by bootstrap values (ML and MP, respectively) are shown above the branches (only bootstrap values above 50 and PP values above 0.5 are shown for the main clades) for the partitioned analyses. Note that the ID of the only sample of Selasphorus platycercus (LSUMNSB23428) included in the phylogeny presented by McGuire et al. [25] is likely incorrect. Painting by Marco Pineda (courtesy of Juan Francisco Ornelas) showing Calothorax lucifer (male)

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