tags: amphibians, frogs, toads, salamanders, streaming video
Frogs Forever? Only if we leap in to save them. There's a global crisis facing all amphibians -- frogs, toads and salamanders -- they're vanishing before our very eyes. [2:11].
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GrrlScientist is an evolutionary biologist, ornithologist, aviculturist, birder and freelance science and nature writer. A native of the Pacific Northwest, she relocated from Seattle to NYC with her parrots after earning a BS in Microbiology (emphasis in Virology) and PhD in Zoology (Ornithology) from the University of Washington. In NYC, she was the Chapman Postdoctoral Fellow at the American Museum of Natural History for two years, pursuing part of her "dream" research project by reconstructing a molecular phylogeny of the parrots of the South Pacific islands. GrrlScientist has written a blog about science since 4 August 2004 (the early years are archived here) and was part of the original invited group of 14 "SciBlings" -- her only claim to fame. If you appreciate GrrlScientist's writing, please help her pay her living expenses by clicking on the Paypal button below and by voting for her to be the official blogger on a month long adventure in Antarctica. If you read an essay that you especially enjoyed, please nominate it for OpenLab2009.
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Bullfrog Ballet: Never Say Goodbye
Topic Categories: Amphibians • Streaming videos
Posted on: March 18, 2008 8:59 AM, by "GrrlScientist"
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Comments
My local froggie pool: http://drop.io/dt3vubi (audio mp3 file)
If you load it into an audio recording program such as Audacity (free) and look at the waveform, you'll see that frog calls decrease notably in the center where there is an overflying airplane. I heard that one of the dynamics of communal calling is a protection against predators, who can not get a good fix on individual frogs because of the chorus. I would venture that predation increases during lulls such as the one in this recording. It would be interesting to see if anybody has done/can do a proper study of this effect.
Posted by: GrayGaffer | March 19, 2008 7:46 PM