Cavarzere, V., Moraes, G. P., Roper, J. J., Silveira, L. F., & Donatelli, R. J. (2013). Recommendations for monitoring avian populations with point counts: a case study in southeastern Brazil . Papéis Avulsos De Zoologia, 53(32), 439-449. https://doi.org/10.1590/S0031-10492013003200001