When it comes to the wood frog, it’s all about the sexy serenade. Click the link to read more.
Typical signs of spring include budding trees, a colorful assortment of flowers, tweeting birds and the cacophony of singing frogs. The warmer weather is enough to inspire anyone to sing with joy, but for animals like wood frogs, orFor the first time, researchers from Dartmouth College used modern technology to accurately record how the individual male wood frog’s mating calls contribute to the amphibian choir as a whole.
In the wild, male wood frogs gather in a pond and all sing together as a chorus to attract females. Females select the pond they feel has the best mating options, and the individual males then compete with one another to attract a mate. While conducting their research, the team recorded the songs of individual frogs as well as the number of eggs laid in each pond. The number of eggs was mapped against the frequency of the male call to determine what the females preferred. Unlike the results in the lab, female frogs didn’t seem to have a preference between high or low-frequency callsUsing the acoustic camera, the team was able to determine that frogs with high-frequency calls would stay near.
According to Calsbeek, the use of this modern technology opens the door for future research, especially around rare animals that are difficult to locate and study. “The acoustic camera is very useful for even just finding and doing population censuses.” Now, the scientists' plan to use the acoustic camera to understand what happens when the mating calls of multiple species of frogs overlap in a pond.
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