Captivated by the mating habits of jellyfish, elephants mourning their ancestors, and proud lionesses cuddling their cubs, audiences love to peer into the private lives of creatures great and small—particularly in spectacular settings around the world. A study conducted by the BBC together with the University of California Berkeley revealed just why viewers choose to kick back and tune into programs like Honey Badgers: Masters of Mayhem and The Tigers of Scotland —nature documentaries trigger the neurochemicals of happiness, reducing stress and anxiety.
Source: https://www.newsweek.com/30-best-nature-documentaries-all-time-1608326