New World Warblers (Parulidae)

Grace's Warbler (Dendroica graciae) - HBW 15, p. 754

French: Paruline de Grace German: Arizonawaldsänger Spanish: Reinita de Grace

Taxonomy: Dendroica graciae S. F. Baird, 1865, Fort Whipple, near Prescott, Arizona, USA.
Forms a superspecies with D. dominica, D. adelaidae, D. subita and D. delicata. In the past, it was suggested that present species might be conspecific with the last three of these, but it shows constant plumage differences. One record of hybridization with Dendroica coronata (of race auduboni). Geographical variation mostly clinal. Four subspecies recognized.

Subspecies and Distribution:

  • graciae S. F. Baird, 1865 - breeds SW USA and NW Mexico; winters mainly in W & C Mexico.
  • yaegeri A. R. Phillips & Webster, 1961 - E slope of Sierra Madre Occidental (from S Sinaloa and Durango S to W Jalisco), in W Mexico; in winter S to Michoacán.
  • remota Griscom, 1935 - highlands from S Mexico (Michoacán) S to W Nicaragua.
  • decora Ridgway, 1873 - lowlands in Belize, E Honduras and Nicaragua.

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