False water cobra | Smithsonian’s National Zoo and Conservation Biology Institute https://nationalzoo.si.edu/index.php/node/10072
The false water cobra is one of the larger, more abundant snakes inhabiting South America’s floodplains. When threatened, this semi-aquatic species can flatten its neck, resembling a cobra, to make itself appear larger.
wetlands were once home to apex predators, such as jaguars