Why are there more species in the tropics than in temperate regions? In recent years, this
long-standing question has been addressed primarily by seeking environmental correlates …

This study reviews the geographic distributions of four hylid frogs native to Uruguay:
Dendropsophus nanus, D. minutus, Lysapsus limellum, and Scinax nasicus. Their current …

The genus Scinax currently includes more than 120 species, recovered in two major clades,
the S. catharinae and the S. ruber clades. The latter comprises 75 species, most of which …

Dasypus is the most speciose genus of the order Cingulata, including approximately 40% of
known living armadillos. Nine species are currently recognized, although comprehensive …

This is the first report of North American bullfrogs, Lithobates catesbeianus (= Rana
catesbeiana), invasion in Uruguay. This Anura was introduced for farming proposes in 1987 …

Pleurodema bibroni and P. kriegi are poorly known species with a troublesome taxonomic
history. They are cryptic taxa, currently considered as valid species on the grounds of …

A new species of the Neotropical frog genus Odontophrynus from coastal regions of Brazil
and Uruguay is described. It is included in the americanus species group and has a diploid …

Intrapopulation variation includes age and sexual variation, but also individual niche
specialization. Individual specialization has important effects on dynamics at population or …

Patterns of reproductive allocation are expected to differ between species according to
temporally and spatially variable costs of reproduction. Even when reproductive allocation …

The native species of amphibians and reptiles of Uruguay were categorized according to the
IUCN Red List criteria. Out of 47 amphibian species, seven are listed as Critically …