In a unique fusion of ecological education and boys love romance, this manga presents a series of vignettes that reimagine real animal mating and social behaviors through a BL lens. The work serves as an academic collection exploring the habits and lifestyles of creatures across the animal kingdom, from giraffe hierarchy battles and the devoted pair bonding of penguins to the reproductive strategies of hermaphroditic snails, the latter depicted with omegaverse-style dynamics. Written and illustrated by Tsubuko Aratama, the collection originated in Japan as Ikimono BL Zukan: Sekai wa xx ni Michite Iru, serialized from December 2022 to May 2024. Rather than following a single continuous plotline, each chapter functions as a standalone story that pairs detailed ecological trivia with romance narratives, positioning the reader as a BL academic or field researcher learning about nature through anthropomorphized animal encounters.