Скачать или смотреть Red-legged frog is heard again in California with help from Mexico and AI

(27 Aug 2025)

FOR CLEAN VERSION SEE STORY NUMBER: 4599279

RESTRICTION SUMMARY:
ASSOCIATED PRESS
El Coyote, Mexico - 11 August 2025
1. Researchers at pond looking for red-legged frogs
2. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
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"So over the last 20 years we've found that the red-legged frog populations are on the severe decline and down here in Baja California. The head of Fauno, Annie Peralta, discovered 10 remnant populations that the group has been working on restoring the habitat and bringing the population numbers up."
3. Hand grabs small frog
4. Various of hand holding frog
5. Wide shot of frog pond
6. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
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"And this particular pond is filled with their metamorphs. And metamorphs is a little froglet that's just hatched out of their eggs into tadpoles."
7. Hollingsworth sits next to frog pond
8. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
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"So we've been translocating eggs from this population across the international border into Southern California and reestablishing California's largest native frog back into areas that have blinked out and are no longer populated by the frog."
9. Tiny frog on scale
10. Device scans frog
11. Hand holds frog

ASSOCIATED PRESS
Murrieta, California - 13 August 2025
12. Hollingsworth walks through brush at pond with frogs from Mexico
13. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
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"So we traveled about 280 miles north of where we were before at our restoration sites down in Mexico. And here now we're at one of our release ponds here in Southern California."
14. Hollingsworth walking to pond
15. Close-up of recording device

ASSOCIATED PRESS
El Coyote, Mexico - 11 August 2025
16. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
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"So the U.S. populations are monitored annually. And this year we deployed microphones around all the ponds and with the help of an AI acoustic model, we've been analyzing the sounds that we've been recording."

ASSOCIATED PRESS
Murrieta, California - 13 August 2025
17. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
"You know, Pacific tree frogs, eh eh-eh-eh, or the red-legged frogs, which is a lot more subtle ha ha ha ha. Those types of sounds will be picked up by this little unit."
18. Hollingsworth looking at pond

ASSOCIATED PRESS
El Coyote, Mexico - 11 August 2025
19. SOUNDBITE (English) Brad Hollingsworth, herpetologist, San Diego Natural History Museum:
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"And so the acoustic model and the AI system helps us sort through this really mixture of sounds and it lets us hear what we're trying to hear, which is a really subtle call of the California red-legged frog."

ASSOCIATED PRESS
Murrieta, California - 13 August 2025
20. Hollingsworth walking away from pond
STORYLINE:
Efforts to restore the red-legged frog to Southern California, where it had all but disappeared, seemed doomed when the COVID-19 pandemic struck and restrictions were put in place at the U.S.-Mexico border.


The red-legged frog is the latest species to see success from binational cooperation along the near-2,000-mile border. The efforts come as the Trump administration builds more walls along the border, raising concerns about the impact on wildlife.













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