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Biologist. Biochemistry and Bioinformatics Researcher, Effective Professor at UFRN, Brazil.
Natal, RN, Brazil.
Sign In to followThanks, @pamsai, great link! It is very similar to Calvia tricolor, but I can't for sure.
I also found this (in portuguese), and the sound is very, very similar:
http://www.wikiaves.com.br/rolinha-roxa#...
Columbina talpacoti
But indeed, is very similar to the Zenaida macroura, Backyardphotographer99.
I think it is Columbina genus.
http://en.wikipedia.org/wiki/Columbina_(...)