2009. Species composition and richness of avifauna in an urban area of southern Brazil - DOI: 10.4025/actascibiolsci.v32i1.6118. Acta Scientiarum. Biological Sciences. 32, 1 (dez. 2009), 55–62. DOI:https://doi.org/10.4025/actascibiolsci.v32i1.6118.