What specific river basins are central to the known distribution of the yellow anaconda?
Answer
The Paraná-Paraguay River basins
The geographical distribution pattern of the yellow anaconda is intrinsically linked to specific major South American hydrological systems. Its range centers around the Paraná-Paraguay River basins. These systems are critical because they collect water from the subtropical areas where the species thrives and eventually feed into the larger Río de la Plata system, defining the aquatic landscape this snake inhabits.
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