J. F. Gmelin, 1789,
Long Island, New York.
In past, often treated as conspecific with R. longirostris, R. tenuirostris, R. obsoletus and R. elegans; more recently only with R. longirostris and R. obsoletus; but recent study#R indicates that each of these taxa merits recognition as a separate species, based largely on molecular evidence supported by morphological details, with present species intermediate in size, with the breast spanning a range of colours from very dull, silvery grey, to dull rufous, and breeding in saltmarshes, saltmeadows and mangroves; the (seemingly minor) differences are complex and require detailed evaluation both between and within current new species limits, but are provisionally accepted here in the light of genetic findings. Races grossi and belizensis sometimes lumped into pallidus; and leucophaeus into caribaeus. Proposed races manglecola (Antigua) and limnotis (Puerto Rico) included in caribaeus. Eleven subspecies recognized.
Food and feeding
Status and conservation
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