2006
DOI: 10.1590/s1676-06032006000100006
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Courtship, vocalization, and tadpole description of Epipedobates flavopictus (Anura: Dendrobatidae) in southern Goiás, Brazil

Abstract: Epipedobates flavopictus is a diurnal, aposematic dendrobatid with a wide distribution in seasonal wet tropical regions of Brazil. We describe the daily period of vocalization, advertisement call, courtship behavior, and tadpole of E. flavopictus from a previously unknown population in southern Goiás and compare theses features with that of other populations. Studies were carried out in November (2004) and February (2005). We counted the number of calling males and duration of calling bouts in the morning and … Show more

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Cited by 18 publications
(19 citation statements)
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“…According to the same authors, males of congenerics usually vocalise over rocks near streams (A. flavopicta), amidst leaf litter (A. hahneli), and among dead tree branches on the leaf litter (A. picta), therefore differing from what was observed for A. braccata in its type-locality, with males usually observed calling on leaves of shrubs and herbaceous plants. Costa et al (2006), believed that A. flavopicta was the unique species among the Dendrobatidae family known to occupy open areas subjected to high temperatures and low humidity, but in the present study we found that A. braccata occupy the same kind of area with a pattern of similar conditions. Bertoluci and Rodrigues (2002) suggested that anuran species that congregate in a reproductive locale tend to segregate temporally the microhabitat occupation.…”
Section: Habitatcontrasting
confidence: 65%
“…According to the same authors, males of congenerics usually vocalise over rocks near streams (A. flavopicta), amidst leaf litter (A. hahneli), and among dead tree branches on the leaf litter (A. picta), therefore differing from what was observed for A. braccata in its type-locality, with males usually observed calling on leaves of shrubs and herbaceous plants. Costa et al (2006), believed that A. flavopicta was the unique species among the Dendrobatidae family known to occupy open areas subjected to high temperatures and low humidity, but in the present study we found that A. braccata occupy the same kind of area with a pattern of similar conditions. Bertoluci and Rodrigues (2002) suggested that anuran species that congregate in a reproductive locale tend to segregate temporally the microhabitat occupation.…”
Section: Habitatcontrasting
confidence: 65%
“…In an ongoing study, we observed indications of breeding activity (tadpoles and froglets) during the rainy season in a ditch temporarily filled by water floods after heavy rains, about 200 m from the shore (NGS Lima and PC Eterovick, unpublished data). The use of banks along rain drainages was also reported for this species by Costa et al (2006). These frogs may be using the shores just as a moist refuge during the dry season, thus showing low niche overlap with all the other species.…”
Section: Discussionmentioning
confidence: 55%
“…These frogs may be using the shores just as a moist refuge during the dry season, thus showing low niche overlap with all the other species. Unlike other dendrobatids, this species occupies open habitats and even tolerates periods of high temperatures and low humidity (Costa et al 2006), features that may have allowed its permanence in Pirapitinga, although in low densities.…”
Section: Discussionmentioning
confidence: 99%
“…In December, we found the highest number of males carrying tadpoles, suggesting that a low condition factor may be explained by males' investment in tadpole transport, higher energy needs (e.g., calling), and/or less time dedicated to eating, all possible causes for loss of mass. Indeed, Biavatti et al (2004) found individuals of A. flavopicta from several localities in Goiá s (central Brazil) to have fewer prey items in their stomachs during the rainy season, when they breed (Costa et al, 2006). Breeding activities are known to reduce energy input (through decreased foraging) and allocate energy toward reproductive effort rather than growth (Shine, 1980).…”
Section: Discussionmentioning
confidence: 99%
“…Some variation is recognized among populations in adult size and color pattern (Haddad and Martins, 1994). Populations of A. flavopicta occupy open physiognomies of the Cerrado ecosystem, with males calling mainly from rock crevices (Toledo et al, 2004;Costa et al, 2006). Tadpoles develop in permanent or intermittent streams with rocky bottoms in open areas (Haddad and Martins, 1994).…”
mentioning
confidence: 99%