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Reproductive Modes in Frogs and Their Unexpected Diversity in the Atlantic Forest of Brazil
TLDR
The highly complex topography of the Atlantic forest, breaking up the biome into many small micro-habitats, and the high humidity, which reduces desiccation risks, have enabled the evolution of reproductive specializations such as eggs or tadpoles that develop out of water.
Breeding activity patterns, reproductive modes, and habitat use by anurans (Amphibia) in a seasonal environment in the Pantanal, Brazil
TLDR
The occurrence of many species that exhibit explosive breeding early in the rainy season is common in seasonal and open environments with variable and unpredictable rainfall, as is the case in the Pantanal.
Cryptic lineages and Pleistocene population expansion in a Brazilian Cerrado frog
TLDR
A complex history of diversification in the Cerrado, a morphoclimatic domain highly threatened because of anthropogenic habitat alteration is revealed, and surprisingly deep divergences in a widely distributed frog are identified, indicating that the C Kerrado is not a barrier‐free habitat and that its diversity is likely underestimated.
Testes Size in Leptodactylid Frogs and Occurrence of Multimale Spawning in the Genus Leptodactylus in Brazil
TLDR
Large testes size in frogs with multimale spawning supports the sperm competition hypothesis and data on testes mass relative to body mass for 11 leptodactylids show that they are large.
SIZE-FECUNDITY RELATIONSHIPS AND REPRODUCTIVE INVESTMENT IN FEMALE FROGS IN THE PANTANAL, SOUTH-WESTERN BRAZIL
TLDR
Interspecific size-fecundity relationships revealed that female SVL was positively correlated with clutch size and egg size regardless of reproductive mode, and RI correlated negatively with female size.
Herpetofauna, municipality of Porto Murtinho, Chaco region, state of Mato Grosso do Sul, Brazil
TLDR
Although some typical Chacoan species were found, most of the species are open area dwellers that also occur in other open biomes, such as the Cerrado and Caatinga.
Size-Dependent Selective Mechanisms on Males and Females and the Evolution of Sexual Size Dimorphism in Frogs
TLDR
The data indicate that the fecundity advantage associated with female body size may not be linear, such that intermediate and large females benefit less with body size increases, and underscores the fact that lineage-specific ecology and behavior should be incorporated in comparative analyses of animal SSD.
Reproductive Strategies of Leptodactylus chaquensis and L. podicipinus in the Pantanal, Brazil
TLDR
The reproductive period of each species, breeding sites, clutch and egg sizes, reproductive efforts, effects of female body size parameters on reproductive potential, and the occurrence of parental care and sexual size dimorphism were investigated.
Interaction between breeding habitat and elevation affects prevalence but not infection intensity of Batrachochytrium dendrobatidis in Brazilian anuran assemblages.
TLDR
Prevalence and infection intensity of chytridiomycosis are highest at high elevations where overall environmental conditions for Bd are most favorable, and at low elevations amphibian host habitat choice is also an important determinant of infection.
Reproductive biology of an endemic Physalaemus of the Brazilian Atlantic forest, and the trade-off between clutch and egg size in terrestrial breeders of the P. signifer group
TLDR
Variation in the number and size of eggs observed in Physalaemus species may be explained not only by female size, but also by the terrestrial reproductive mode exhibited by the species in the P. signifer group.
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