male’s response. Human movement in the areas where these frogs inhabit during the day or evening will result in the hiding males to respond with quacks. Mating Male-male interaction Call matching is present within the species of the quacking frog. Call matching is said to be competitive and is presented as the producing and matching the number and complexity of call(s) between male neighbors. In cases where there are multiple calls that occur, if the time between two consecutive calls is greater than 1.5s apart then the responding male will only respond to the first stimulus and will ignore the second stimulus. Some scientists theorize that the quacking frog has a leader follower relationship due to the presence of long intervals between short advertisement calls and the fact that males usually never interrupt neighboring male calls. Also, males have never been recorded to produce calls that were distinctively aggressive. A hypothesis that some in the field have is that call matching is a way in which calls are somewhat attractive or equivalent to the neighboring males but with minimizing energetic cost. In the male quacking frog, there seems to be an interaction between the size and origin of the population that contributes to variation in the sperm characteristics; this variation indicates that certain males that have specific sperm characteristics within the population use different reproductive strategies. Quacking frogs interact with each other for territory using their arms to wrestle. They specifically fight over breeding territory, and the one with the bigger arms tends to win control over the breeding site. Additionally, the males that are larger tend to do the calling, whereas the smaller males usually act as satellites and do not call to conserve energy, resulting in a different reproductive strategy compared to the larger males of the species. Additionally, the mating success associated with arm girth was density dependent. Males with thicker arms in a low male density environment experienced increased mating, specifically amplexing, which could be attributed to wrestling silent males out of the territory and females being able to mate with males with thicker arms without being intercepted by silent males. However, when male density increases, males with larger arms must compete with more silent males, which results in increased instances of multimale amplexus. It is important to note that male size and male arm girth and independent of each other as male size influences whether