Annual patterns of breeding activity of 28 anuran species were studied at Boracéia, an Atlantic Rainforest locality in the coastal mountains of Southeastern Brazil. Five patterns were evident: (1) species that call year-round; (2) opportunistic calling activity associated with rainfall; (3) explosive breeding; (4) winter activity; and (5) summer species with variable breeding seasons. The number of species with calling males was positively correlated with mean monthly temperature.
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Bertoluci et al. (2002) studied this question.
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