Barbosa-Filho, W. G., and A. C. de Araujo. “Flowers Visited by Hummingbirds in an Urban Cerrado Fragment, Mato Grosso Do Sul, Brazil”. Biota Neotropica, vol. 13, no. 4, Dec. 2013, //www.biotaneotropica.org.br/BN/article/view/1218.