The sauna a small greenhouse containing black-painted bricks warmed by the sun - may be pleasant, but it also protects the frogs from a deadly chytrid fungus that would otherwise drive them to extinction.
Macquarie University biologist Anthony Waddle holds one frog no bigger than a credit card - in his hand as its green and gold colours become more vibrant in the heat.
This story is from the August 31, 2024 edition of The Citizen.
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This story is from the August 31, 2024 edition of The Citizen.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
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