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)