Finally the night begins to close as the first rays of light appear in the twilight sky. Most of the pod members have gone back to burrow and sleep, but a few individuals continue to try their hardest to attract a mate. Somewhere out there is the regilla for them.
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I love Pacific Chorus Frogs. Whether you know it as Pseudacris regilla (Pacific Chorus Frog) or Hyla regilla (Pacific Treefrog), its voice is instantly recognizable. Being so common along the West Coast, regilla, was the easiest source available for sound recordists to use in film and television. Along with the American Bullfrog, it quickly became the dominant sound of "frog" in film.
This little 1-inch frog makes its voice known. Coming out right around sunset, the first members of a pod tentatively cree-eek and ribbit their way until more come up from their overnight burrows to join. Soon, very soon, a full chorus begins and they roar to life as a deafening wall of amphibia for hours until the nighttime air cools below their comfort zone. As they slowly make their way back into their burrows, waves of chorusing come and go, finally petering out in the voices of just a few individuals just before dawn.
Recorded in over the night of April 21-22, 2019, in Sinlahekin Valley, a single pod chorus of frogs comes alive in this quiet land nearly devoid of human sound. I'd play the full recording for you, but that would be 10 hours long. Instead I'll present some of the highlights along the way.
For the technically nosy:
Microphones: yes
recorder: indeed
