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Polyembryony and zombie-seeds in an Amazonian tree species

Published: Wednesday, 31 May 2017
Credit: Débora Souza-Ferreira

For her master's project in Ecology, Débora Souza Ferreira investigated the phenomenon of polyembryony in the seeds of Carapa surinamensis, an Amazonian species of this pan-tropical genus of trees of the family Meliacea. The study was published in the South African Journal of Botany

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The confirmed rarity of bush dogs

Published: Tuesday, 16 May 2017
Credit: Fernanda Michalski

The bush dog, Speothos venaticus, is a little-known canid that lives in different habitats in Central and South America, but is rarely seen in nature.

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Unknown treefrog diversity revealed in the southwestern Amazon

Published: Tuesday, 25 April 2017
Credits: Rafael de Fraga (frog), Philip James Gleeson (field)

A novel approach that integrated the analysis of molecular, morphological and bioacoustic data revealed that 82% of the diversity of treefrogs belonging to the genus Scinax in the Madeira-Purus interfluve, in the southwestern Brazilian Amazon, remains undiscribed.

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