Climate change threatens Coqui frogs


In this article by Gabrielle Meyers for Voxxi, she discusses a study published in the Proceedings of the Royal Society B that claims that the steady rise in temperature over the past several decades may have impacted the coqui frog’s calls, making them shorter and higher pitched. Here is an excerpt. For the full report and a video, follow the link below.
In 1983 and 1984, UCLA biologist Peter Narins and his students recorded coqui calls during a 13-kilometer ascension to higher elevations of El Yunque Mountain. Narins decided to recreate his study in 2006 to see if there were any alterations in coqui calls in response to climate change.
He found that there were significant changes: the frog’s calls had changed drastically in pitch and length over the two decades since the initial study. Since the original data was collected in 1983, the temperature has risen approximately 0.37 degrees Celsius.
Researchers predict that as the temperature continues to change, so might the sound and appearance of the coqui frogs. According to the Smithsonian Magazine, the coqui’s survival is dependent on how the female coqui’s inner ear picks up on the new pitches of the male’s calls.
If they can’t hear the higher pitched call of the males, this could affect their ability to mate, thereby cutting coqui populations. Because frogs are so sensitive to temperature changes, it is no surprise that they are one of the first species to be affected by climate change.
While it is hard to predict the exact ramifications of climate change on the ecosystem, the coqui frogs have given us just a small glimpse of what may come.

For the original report go to

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