Birds of the Ramsar site Estação Ecológica de Taiamã and buffer zone, Pantanal wetlands, Brazil Author Vilas Boas da Frota, Angélica Author Vitorino, Breno Dias Author da Silva, Carolina Joana Author Ikeda-Castrillon, Solange Kimie Author Nunes, Josué Ribeiro da Silva text Check List 2020 2020-04-10 16 2 401 422 http://dx.doi.org/10.15560/16.2.401 journal article 10.15560/16.2.401 1809-127X Riparia riparia (Linnaeus, 1758) Material examined. Tables 1 , 2 . IDentificAtion. This species was observed flying over the Paraguay River together with resident species like Stelgidopteryx ruficollis (Vieillot, 1817) and Progne tapera (Vieillot, 1817) . We identified it as is a small swal- low, with a uniform brown upper and somewhat darker wings. Progne tapera is similarly colored and patterned but is considerably larger ( Ridgely and Tudor 2009 ).