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LESSER GRASSFINCH Emberizoides ypiranganus
Look carefully at that bird in the marsh which looks just like a Wedge-tailed Grassfinch but is singing funny! If the face looks dark and the tail looks short then you may have a Lesser Grassfinch on your hands! You´ll need a really good view to see the streaky flanks, but if you are still not sure then try playback, these territorial birds are suckers for a decent recording!
Click on the images to enlarge them.
FIGURE 1 - (FPAVE1132PH) Adult singing, Arroyos y Esteros km100, Departamento Cordillera (Paul Smith September 2010).
FIGURE 2 - (FPAVE1133PH) Same individual as (FPAVE1132PH) ventral view (Paul Smith September 2010).
FIGURE 3 - (FPAVE1134PH) Same individual as (FPAVE1132PH) dorso-lateral view (Paul Smith September 2010).
FIGURE 4 - (FPAVE1135PH) Same individual as (FPAVE1132PH) dorsal view (Paul Smith September 2010).
FIGURE 5 - (FPAVE1136PH) Adult ventral view, Isla Yacyreta, Departamento Misiones (Paul Smith October 2009).
FIGURE 6 - (FPAVE1137PH) Adult ventral view, Isla Yacyreta, Departamento Misiones (Paul Smith October 2009).
FIGURE 7 - (FPAVE1138PH) Adult singing, Arroyos y Esteros km100, Departamento Cordillera (Paul Smith November 2008).
FIGURE 8 - (FPAVE1139PH) Juvenile lateral view, Arroyos y Esteros km100, Departamento Cordillera (Paul Smith November 2008).
FIGURE 9 - (FPAVE1140PH) Same individual as (FPAVE1139PH) lateral view (Paul Smith November 2008).
FIGURE 10 - (FPAVE1141PH) Same individual as (FPAVE1139PH) ventral view (Paul Smith November 2008).
VIDEO - (FPAVE1142VI) Adult singing, Arroyos y Esteros km100, Departamento Cordillera (Paul Smith September 2010).
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Emberizoides ypiranganus
1 (FPAVE1143RE) Song  recorded Yaguarete Forest, Departamento San Pedro (Paul Smith August 2000).
Click the link to hear the call. Longer versions of this call can be downloaded from the Paraguay page of our partner website Xeno-Canto - the largest collection of freely downloadable Neotropical bird calls available online.