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1.173  Articles
1 of 118 pages  |  10  records  |  more records»
The distribution of the poorly known hylid frog Hypsiboas roraima Duellman & Hoogmoed, on the Guiana Shield is redefined, including new records from Venezuela. The advertisement call of this species is analyzed and Hypsiboas angelicus Myers & Donnelly is ... see more

Recent collections are used to expand existing descriptions of adults of Otophryne robusta and O. steyermarki.The calls of O. pyburni and O. robusta are compared. Tadpoles of O. robusta and O. steyermarki are described. Characters for distinguishing among... see more

A new species of Colostethus, long mistaken for Colostethus beebei, is described from French Guiana. The new species can be distinguished from congeners by absence of median lingual process, first finger longer than second, third finger not distinctly swo... see more

The Gran Sabana is a region of great biogeographical and conservation value that has been recently threatened due to increasing overexploitation of natural resources and illegal mining.  Systematic survey methods are required in order to study specie... see more

The Gran Sabana is a region of great biogeographical and conservation value that has been recently threatened due to increasing overexploitation of natural resources and illegal mining.  Systematic survey methods are required in order to study specie... see more

Oreophrynella weiassipuensis sp. nov. is described from Wei-Assipu-tepui on the Guyana-Brazil border. The new species is distinguished from other species of the genus by the presence of well developed post-orbital crests, toe webbing, dorsal skin minutely... see more

The Eva 2 site revealed a Late Archaic occupation dated between 5000 and 3000 BP. The site is situated on top of a hill juxtaposed between the neo-tropical forest of the Precambrian Shield and the coastal Pleistocene savannahs in French Guiana. The occupa... see more

The Guiana Shield of South America contains savannas within one of the largest contiguous expanses of pristine tropical rainforest remaining in the world, but biodiversity in the grasslands is poorly known. In lowland Neotropical areas, bats typically com... see more

Suriname is located in the extreme north of South America in a region called Guyana Shield, that includes French Guiana, Republic of Guyana, Suriname and part of Venezuela and northern Brazil. It’s literature is marked by cultural and linguistic ethnic pl... see more

1 of 118 pages  |  10  records  |  more records»