Reproductive Patterns and Social Organization of the Communal Guira Cuckoo (Guira guira) in Central Brazil

The Auk ◽  
1992 ◽  
Vol 109 (4) ◽  
pp. 786-799 ◽  
Author(s):  
Regina H. Macedo
2005 ◽  
Vol 39 (35) ◽  
pp. 3217-3226 ◽  
Author(s):  
Domingos J. Rodrigues ◽  
Masao Uetanabaro ◽  
Frederico S. Lopes

1981 ◽  
Vol 59 (8) ◽  
pp. 1561-1566 ◽  
Author(s):  
J. W. Turner Jr. ◽  
A. Perkins ◽  
J. F. Kirkpatrick

It was the goal of this study to develop a reliable behavioral endpoint for use in studying patterns of reproduction and methods for regulating reproduction in feral horses. Several characteristic stallion behavior patterns associated with harem activities were examined. The only behavior which occurred with high frequency and was readily observable and quantifiable was stallion elimination marking behavior in which stallions marked eliminations (urinations–defecations) of other horses with their own urine and feces. Elimination marking behavior was not exhibited by mares or immature animals and stallions rarely marked eliminations made by immatures. Stallion response to eliminations by mature mares varied markedly with time of year, averaging 93% and 89% in May and June, the peak of the breeding season, and 1% from November through February. Thus, seasonal changes in elimination marking behavior were well correlated with the breeding season. The completeness of the behavior pattern showed an annual pattern similar to that for frequency. The possible significance of this behavior in relation to feral horse social organization and its use as a behavioral correlate in studying reproductive patterns is discussed.


2020 ◽  
Vol 10 (2) ◽  
pp. 513-535
Author(s):  
Rafael Franco Coelho

Abstract In this article, I analyze the social organization of Xavante media production during the Digital Village Project, and explore how student involvement in the latter reflects the social characteristics and specificities of the Xavante community. To explain how project participants organized themselves into groups, I connect these groupings to the Xavante social structure and political system. My hypothesis is that the formation of the groups making up the project and the interaction of their members were established through categories already present in Xavante social structure. In this sense, we can conclude that the introduction to media production in the community is not enough to change the social relations prevailing in Sangradouro village.


2012 ◽  
Author(s):  
Justin P. Friesen ◽  
Aaron C. Kay ◽  
Richard P. Eibach ◽  
Adam D. Galinsky

Author(s):  
Donald Worster

Frontier and Western History in Central Brazil Dutra e Silva, S. No Oeste, a terra e o céu: a expansão da fronteira agrícola no Brasil Central (Rio de Janeiro: Mauad X, 2017)


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