The sound of bullfrogs, characterized by their deep, resonant croaking, is a distinctive aspect of many natural ecosystems. These vocalizations serve important biological functions, including attracting mates, defending territories, and warning of danger. Bullfrogs produce a range of calls, each with specific acoustic features, influenced by vocal cords, resonating chambers, and tympanic membranes. These sounds have ecological impacts, attracting predators and shaping habitats, and hold cultural significance in art, literature, and folklore. Scientific research on bullfrog vocalizations has advanced our understanding of animal communication and behavior, while conservation efforts focus on protecting habitats and mitigating pollution to ensure the survival of these iconic amphibians.