Robuta

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0143982 Cytotaxonomy of Eurypyga helias (Gruiformes, Eurypygidae): First Karyotypic Description and... The sunbittern (Eurypyga helias) is a South American Gruiformes, the only member of Family Eurypigidae. In most phylogenetic proposals, it is placed in a more... gruiformesfirstdescription