NSW Scientists Breed Rare Frog for First Time While Power Project Eyes Habitat

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Scientists in Australia just bred a rare frog in a lab for the first time ever. This is their story.

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The Littlejohn's tree frog has been declining for 30 years. Very little was known about how to save it.

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Two separate frog pairs produced 200 eggs each in captivity, resulting in 90 healthy tadpoles.

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Tadpoles are extremely sensitive. Water chemistry and temperature had to be perfectly balanced," said lead scientist Dr. Kaya Klop-Toker.

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Over 40 new breeding ponds were built in the Watagans ranges to connect two isolated frog populations.

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Genetic analysis confirmed the new "aquatic stepping stones" successfully improved gene flow between the groups.

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Reproductive tech like sperm cryopreservation was developed to boost genetic diversity without moving fragile frogs.

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A 110-kilometre, 500-kilovolt transmission line is proposed to cut directly through this restored habitat.

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The project plans a 60-meter-wide clearing and a switching station to be built on top of key breeding ponds.

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The environmental impact statement for this project is open for public comment until September 24, 2025.

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A "head-starting" program raises wild eggs in the lab, shielding them from predators to increase survival rates.

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The captive-bred frogs will be released on the Woronora Plateau, with some tadpoles sent to Aussie Ark's Reptile Park.

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