The link between range size, niche specialization, and diversification in one of the most successful avian radiations, the New World flycatchers (Tyrannoidea)

Dataset including the following information for each species:
Diversification rate (DR)
Number of occupied ecoregions following criterion I (Index)
Number of occupied ecoregions following criterion II (Index2)
Min. elevation (MinElev)
Max. elevation (MaxElev)
Mean elevation (MeanElev)
Elevational range (RangeElev)
Geographic range size (RangeSize)
Hand-wing index (HWI)
Body size (mass)