Wild Green Streams for Ecological Fiends is a natural history show that doesn't take its own packaging seriously. Episodes open with a mock infomercial in which a fictional customer complains about a blank water bottle and a pitchman offers stickers as the patented fix. Then the real conversation starts. Rhett introduces the show and its guests, and the talk that follows is loose, curious and often amazed at how animals, plants and landscapes actually work. The titles set the mood. One reads 'A rhino poo clue could bring new zoo breakthrough: if it's true blue', and another reads 'DOCTOR FISHER GET OFF THAT MAN'S FACE! ft. Dr. Brian Fisher'. In the rhino episode, a guest named Jeremy describes detection dogs that learned the scent of captive Sumatran rhinos at a sanctuary breeding program. Once released into the wild, the dogs soon found what is believed to be Sumatran rhino scat, from animals that had avoided camera traps for years. The episode featuring Dr. Brian Fisher is about ants, and the discussion treats abundance as seriously as variety. There may be more weevil species, but ants far outweigh weevils in biomass. That abundance, the discussion notes, makes ants especially important in tropical systems. Octopuses get their turn too. The Maori octopus, described as one of the largest in the Southern Hemisphere, has a front pair of arms that can grow to nine feet, and that strength has earned it the nickname 'beefcake octopus.' The Wild Green Book Club gives authors the floor. Ben Goldfarb, an environmental journalist by his own account, talks about Crossings, a book on the ecology of roads. His point is that roads sit underneath many environmental problems: before anyone can log the Amazon illegally, a road has to go in to carry the machinery. In another book club episode, 'A Field Guide to Roadside Wildflowers AT FULL SPEED | Wild Green Book Club', a guest describes going back to the same square-meter plot of prairie six years after first studying it. The first round had already become a book and a six-month museum exhibit, and the second one turned up black nightshade, a plant that hadn't been there the first time. The talk even turns to the ballet world's unlikely fondness for prairies. The title of the episode with Cameron Duke of MinuteEarth jokes about pollen, but the conversation reaches the Grand Canyon, where the Colorado River largely stayed at the same elevation while the land rose around it. Moments like that, when a familiar landscape suddenly looks different, are the real reward here. Ayo can be heard alongside Rhett in some sign-offs, one episode ends with chorus frog and leopard frog calls a listener sent in from a backyard, and the farewell that keeps coming back is happy year of the frog. The rhino episode is a good place to start because it shows both sides of the show at once: a groan-worthy title and a guest with stories from the field.