Least abundant species:
Nothura maculosa (1 individual), Aramus guarauna (1 individual), Mycteria americana (1 individual), Egretta thula (1 individual), Hylocharis chrysura (1 individual), Circus buffoni (1 individual), Pachyramphus polychopterus (1 individual), Polioptila dumicola (1 individual), Molothrus rufoaxillaris (1 individual), Rauenia bonariensis (1 individual).