Amazonian rainfall increases in wet season

Covering more than 2 million square miles in South America, the Amazonian rainforest plays an important role in regulating the level of carbon dioxide, and thus affects global climate. In the Amazon, strong transpiration ...

Bold lizards of all sizes have higher mating success

Boldness correlates with the mating success, but not body size or sex, of yellow-spotted monitor lizards roaming the remote Oombulgurri floodplains of tropical Western Australia, ecologists report in the Ecological Society ...

New study shows the Amazon makes its own rainy season

A new study gives the first observational evidence that the southern Amazon rainforest triggers its own rainy season using water vapor from plant leaves. The finding helps explain why deforestation in this region is linked ...

Rainforest greener during 'dry' season

Although the Amazon Jungle may appear to be perpetually green, a University of Illinois researcher believes there are actually seasonal differences of photosynthesis, with more occurring during the dry season and less during ...

Butterflies' wing patterns change with the seasons

Tropical butterflies adapt to their environment to improve their chances of survival. The changes are triggered by hormone signals that transmit information about temperature to the butterflies' tissues. Biologist Ana Rita ...

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