This episode of Terrestrials, a sister show to the main podcast, explores the fascinating world of beavers and their environmental impact. Beavers, with their impressive engineering skills, are vital for creating and maintaining healthy ecosystems. The episode begins by examining the role of a beaver named José in revitalizing the Bronx River. It delves into the history of the US government's practice of parachuting beavers into mountainous regions. The story then shifts to California, showcasing how a beaver family helped prevent devastating wildfires. The episode highlights the positive influence beavers have on their environment. The episode features interviews with experts like author Ben Goldfarb, shedding light on beaver behavior and their importance. Various articles and videos are cited as resources for further exploration of this topic. The podcast encourages listeners to engage through reviews, newsletters, and social media. Listener support helps sustain the show. Financial support for the show comes from various organizations.