WHITE-WINGED BLACK-TYRANT Knipolegus aterrimus
Despite being fairly common elsewhere in its range, the White-winged Black-Tyrant is uncommon in Paraguay with a range limited to the Chaco. It is fairly large compared to other members of its genus. Whilst males are indeed black with a white band across the wings, the female is quite different, similar to the females of many Black-Tyrants, and warmly-coloured in browns and rufous.
FIGURE 1 - Adult female, Bahía Negra, Departamento Alto Paraguay (Teatske Nieuborg undated).
FIGURE 2 - Same individual
(Teatske Nieuborg undated).
FIGURE 3 -
Same individual (Teatske Nieuborg undated).
FIGURE 1

FIGURE 1

FIGURE 2

FIGURE 2

FIGURE 3

FIGURE 3

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Paul Smith, Hemme Batjes, Regis Nossent, Frank Fragano,
Alberto Esquivel, Arne Lesterhuis, José Luis Cartes, Rebecca Zarza and Hugo del Castillo and are used with their permission.