The freshwater lake here is choked with an invasive fern, giant salvinia (Salvinia molesta). This species was one of the few to benefit. I didn't get a close shot of this bird, but I like how the habitat shot came out.
This is an introduced species from elsewhere in South America.
Ejemplar albino, adulto.Salió debajo de un hueco de una raíz de un árbol caido(Eucaliptus). En un monte implantado con fines forestales.