French: Carouge de Porto Rico German: Gelbschulterstärling Spanish: Sargento puertorriqueño
P. L. Sclater, 1862,
Mexico; error = Puerto Rico.
Sister to A. humeralis#R. Two subspecies recognized.
Subspecies and Distribution
A. x. xanthomus
(P. L. Sclater, 1862) – local in Puerto Rico; formerly widespread.
A. x. monensis
Barnés, 1945 – Mona I and Monito I, off W Puerto Rico.
20–23 cm; male average 41 g, female average 35 g. Male nominate race is black with bluish gloss; lesser and median upperwing-coverts yellow (tips of medians sometimes... read more
Song a rasping nasal “nyaaaaaa”, by both sexes, sometimes by several individuals in... read more
Restricted to mangroves (Avicennia nitida, Rhizopora mangle, Laguncularia... read more
Food and feeding
Diet mainly insects, particularly moths (Lepidoptera) and crickets (Gryllidae); takes nectar from flowers of Erythrina, Inga... read more
Season Apr–Aug; on Mona I (race monensis) more protracted, Feb–Nov. Monogamous. Nests in small colonies (often 4... read more
Status and conservation
ENDANGERED. Restricted-range species: present in Puerto Rico and the Virgin Islands EBA. Uncommon to rare, and local. Nominate race formerly occurred throughout Puerto Rico,... read more
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