Gabriel Rojo / Rufous collared sparrow {Zonotrichia capensis} El Condorito NP, Argentina

Oscar Dewhurst / Rufous-collared sparrow (Zonotrichia capensis) on stone pavement. Cusco, Peru. February

Thomas Marent / Rufous-collared Sparrow (Zonotrichia capensis), Tatama National Park, Colombia

Agustin Esmoris / Rufous-collared Sparrow (Zonotrichia capensis), Argentina

Glenn Bartley/ BIA / Rufous-collared Sparrow (Zonotrichia capensis), Atlantic Rainforest, Brazil

Bernard Castelein / Rufous-collared sparrow (Zonotrichia capensis) Sajama National Park, altiplano, Bolivia, September

Bernard Castelein / Rufous-collared sparrow (Zonotrichia capensis) Sajama National Park, altiplano, Bolivia, September

Gabriel Rojo / Rufous-collared sparrow (Zonotrichia capensis) chicks in nest on flower, Calden forest, La Pampa, Argentina

Gabriel Rojo / Rufous-collared sparrow (Zonotrichia capensis) perched amongst berries, Calden forest, La Pampa, Argentina.

Gabriel Rojo / Rufous-collared sparrow (Zonotrichia capensis) Calden fores, La Pampa , Argentina

Tui De Roy / Rufous-collared Sparrow (Zonotrichia capensis), Bellavista Cloud Forest Reserve, Tandayapa Valley, Andes, Ecuador

Agustin Esmoris / Rufous-collared Sparrow (Zonotrichia capensis), Buenos Aires, Argentina