The region is a place of arrival of many migratory birds, especially Thraupidae, Parulidae and Accipitridae.    From Wordnik.com.  [Magdalena Valley dry forests] Reference

The highlands of northern Central America are considered an Endemic Bird Area, and these forests are the wintering grounds for many migratory warblers, Parulidae, from the nearctic.    From Wordnik.com.  [Central American pine-oak forests] Reference

Molecular characterization of a monophyletic Parulidae.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

D. graciae, and it has been suggested that the Parulidae originated in northern Central America and spread out into the West Indies etc during the Pliocene.).    From Wordnik.com.  [10,000 Birds] Reference