Fig. 1

Phylogenetic relationships of species sequenced. Blue and orange branches indicate nectarivores and non-nectarivores respectively. Branch lengths are not to scale. Tree was produced using Mesquite Version 3.61. (Maddison and Maddison 2019) and published phylogenies (Burns et al. 2003; Warren et al. 2006; Zhang et al. 2007; Hackett et al. 2008; Irestedt and Ohlson 2008; Wright et al. 2008; Hedges and Kumar 2009; Reding et al. 2009; Weir et al. 2009; Jønsson et al. 2010; Sedano and Burns 2010; Moyle et al. 2011; Jetz et al. 2012)