Those of " T . hylophilus " are narrower, less procumbent, and less pigmented.
2.
The third upper molar is reduced relative to the second, much more so than in " T . hylophilus ".
3.
The accessory ridges on the upper molars, the anterolophs and mesolophs, are less well-developed than in " T . hylophilus ".
4.
At the back of the mandible ( lower jaw ), there is a capsular process to receive the root of the lower incisor, which is absent in " T . hylophilus ".
5.
The front ( rostral ) part of the skull is short & mdash; shorter and broader than in " T . hylophilus " & mdash; and flat and the notches in the zygomatic plates at the sides are poorly developed.
6.
Preliminary genetic studies by Johnson et al . revealed large interspecific genetic distances between clades within " Vireo " and " Hylophilus " of a similar magnitude to differences between " Cyclarhis " and " Vireolanius ".
मोबाइल