| the helminth fauna of the red-crested cardinal (paroaria coronata) passeriformes: emberizidae in brazil. | with the objective of identifying the helminths of paroaria coronata, 40 birds were necropsied, and their organs and contents were examined. the parasites were preserved in 70 masculinegl alcohol and prepared for identification using standard techniques. the helminth fauna found in p. coronata were aproctella carinii, dispharynx nasuta, capillaria sp., diplotriaena sp., tanaisia oviaspera, tanaisia valida, tanaisia sp., prosthogonimus ovatus, orthoskrjabinia sp., and mediorhynchus sp., with nema ... | 2009 | 19636590 |
| nasal mites (gamasida: rhinonyssidae) of paroaria coronata (miller) (passeriformes: emberezidae). | with the aim of identifying the species of nasal mites of paroaria coronata (red-crested cardinal), the nasal cavity of 40 birds were examined. the nasal mites were identified as ptilonyssus sairae de castro and sternostoma pirangae pence, with 50% and 7.5% of prevalence, respectively. this is the first record of these mite species parasitizing p. coronata. this report also amplifies the area of occurrence of s. pirangae for brazil and that of p. sairae for rio grande do sul, brazil. | 2011 | 21952970 |
| male red-crested cardinal plumage coloration is associated with parental abilities and breeding performance. | avian plumage coloration deriving from carotenoid-based pigments is among the most honest signals of individual quality. it has been argued that females may differentially allocate resources based on mate attractiveness or quality, paying the costs of investing more in a current breeding attempt. we tested predictions of the differential allocation hypothesis on the natural variation of carotenoid-based plumage using the brightly red-colored head plumage of the red-crested cardinal (paroaria cor ... | 2019 | 31358834 |