Aspectos da biologia reprodutiva da arara-azul Anodorhynchus hyacinthinus (Latham, 1790) no mosaico Carajás-PA

• Autor(a) principal: Silva, Grace Ferreira da [UNESP]
• Data de Publicação: 2015
• Tipo de documento: Dissertação
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/128143; http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/21-09-2015/000847376.pdf
• topic: Reprodução; Alimentos; Comportamento; Arara-azul - Comportamento; Food

The Hyacinth macaw (Anodorhynchus hyacinthinus) is the biggest macaw in the world. This species is distributed in three regions of Brazil with apparently isolated populations. It is necessary that long-term studies about the reproductive biology and diet of macaws are made, since many of the important questions about the parrot ecology involve studies of their habitat and behavior. The objective of this research was to collect information about the aspects of the reproductive biology of Hyacinth macaws in the Carajás Mosaic region and its surroundings, as well as observing the food items they consume and thus increase knowledge about the species throughout its hit area of occurrence to assist the appropriate conservancy of the macaw. For four non-consecutive years, tree cavities were located and when active with eggs and / or chicks, the trees were registered as nest. We made observations and collect food items of the species. We obtained a total of 67 records cavities between the years 2007, 2008, 2013 and 2014. Twenty-four nests were active with eggs and chicks. We obtained a total of 67 records cavities where 24 were active with eggs and chicks. Most nest cavities were recorded in Sterculia sp. (87%) and the others in the plant species: Euxylophora paraensis, Bertholletia excelsa, Cariniana sp., Parkia sp., Ceiba pentandra, Bagassa guianensis, Parkia aff. Gigantocarpa, Helicostylis tomenosa, Schizolobium sp. During the breeding period, we observed that the hyacinth macaws occupy available hollows, without preference for the plant species. However, most of the nests were found in Sterculia sp. The laying of eggs followed as usual already observed in other populations of this psittacid species. Fruit remains of inajá palms (Maximiliana maripa), tucum (Astrocaryum sp.), Gueroba (Syagrus oleracea), macaúba (Acrocomia aculeata) and bacuri (Scheelea phalerata) were collected inside the nests, on the ground below the nest and next to the ...