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Seasonal changes in plasma levels of sex hormones in the Greater Rhea (Rhea americana), a South American ratite with a complex mating system
(Public Library Of Science, 2014-05)
Seasonal rhythm in sex hormones has been extensively studied in birds, as well as its relationship with the type of mating system. The Greater Rhea (Rhea americana), a South American ratite species, reproduces seasonally ...
Reproductivity and reising of Greater Rhea (Rhea americana) and Lesser Rhea (Pterocnemia pennata). A review
(Eugen Ulmer Gmbh Co, 2002-03)
The Greater or Common Rhea (Rhea americana) and theLesser or Darwin’s Rhea (Pterocnemia pennata) are flight-less birds native from South America, that have conserva-tion and economic importance. Free-ranging populationsof ...
Economic anatomy of Rheidae and its implication for the archeological record
(Springer, 2019-12)
The economic anatomy for Rheidae (Class: Birds) which includes the calculation of the Modified General Utility Index (MGUI) and its component indexes: Meat Utility Index (MUI), Marrow Index (MI), White Grease Index (WGI), ...
Serosurvey of selected avian pathogens in brazilian commercial Rheas (Rhea americana) and Ostriches (Struthio camelus)
(Fundação APINCO de Ciência e Tecnologia Avícolas, 2009-12-01)
Ratite farming of has expanded worldwide. Due to the intensive farming methods used by ratite producers, preventive medicine practices should be established. In this context, the surveillance and control of some avian ...
Pectoral Girdle Morphology in Early-Diverging Paravians and Living Ratites: Implications for the Origin of Flight
(American Museum of Natural History, 2020-08)
Discussions about the origin of flight almost unanimously assume that early birds positioned (and moved) their wings in the same basic manner as living flying birds, with reconstructed wings extended with the airfoil surface ...
Rheidae Egg Human Exploitation and Stable Isotopes: Trends from West Central Argentina
(Wiley, 2013-10-07)
Rheidae eggshells are abundant in the archaeological record of west central Argentina. Eggs were more important in human diet than the bird meat itself, as with many other Ratite species around the world. Currently, two ...