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A PHYLOGENY OF THE OSCINES |
 | | Discussion: The musculature is more massive than that of the Artaminae, reflecting the different feeding habits which mark these distinct adaptive lines. |
 | | In this species, the anterior end of the zygoma has a notch-like eminence dorsally (A)--buttressed by a similar one posteroventrally (B)--so that, when the palate is fully retracted and the tip of the mandible depressed in maximum adduction, this notch will fall in place behind the ethmoidal wing (C). |
 | | I would say relationships of the vireos are with the Monarchidae, which I remove from Muscicapidae, and that the Vanginae, Prionopinae, Pityriasidinae, Cracticinae, Artaminae, and Cyelarhini (including Vireolanius) evolved separately from the Monarchidae as endemic shrikes in their respective faunal regions. |
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