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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Evidence for increased olfactory receptor gene repertoire size in two nocturnal bird species with well-developed olfactory ability

Figure 1

Phylogenetic relationships among avian taxa compared in this study. (A) Ratite phylogenetic tree topology adapted from reference [37]. Note that a recent study places the tinamou within the ratites [39]. (B) Partial pssitaciform phylogenetic tree, topology derived from reference [38]. Outgroup taxa used for the generation of OR gene probes for Southern hybridizations are indicated by an asterisk. Branch lengths were arbitrarily set to 1.

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