Place: between Curitiba and Morretes, Brazil
Date: 25 April 2014.
Place: Rio de Janeiro, Brazil
Date: 1 May 2014.
[Zonotrichia capensis, Family Arremonidae, Order Passeriformes, Wikipedia Entry: Rufous-collared sparrow]
The sound of the rufous-collared sparrow (borrowed from the Xeno-Canto website, recordist Ricardo José Mitidieri)
Marnix's Bird Gallery 