New World Blackbirds (Icteridae)

Yellow-shouldered Blackbird (Agelaius xanthomus) - HBW 16, p. 790

French: Carouge de Porto Rico German: Gelbschulterstärling Spanish: Sargento Puertorriqueño

Taxonomy: Icterus xanthomus P. L. Sclater, 1862, Mexico; error = Puerto Rico.
Closely related to and possibly forming a superspecies with A. humeralis. Two subspecies recognized.

Subspecies and Distribution:

  • xanthomus (P. L. Sclater, 1862) - Puerto Rico.
  • monensis Barnés, 1945 - Mona I, off W Puerto Rico.