Snakes come in all shapes and sizes, but one species found deep in the Amazon can grow to truly gargantuan proportions.

Other species, like the Yellow Anaconda, are found in Paraguay, Bolivia, southern Brazil, and northeastern Argentina. They tend to inhabit smaller rivers, floodplains, and grasslands, often ...

Revealing active behaviour that adds to our understanding of the nature of a species. Karine Aigner (USA) recognises the skin of a yellow anaconda as it coils itself around the snout of a yacare ...