Environmental DNA from a single water sample reveals hidden frog populations
Scientists used environmental DNA (eDNA) from water samples to detect two threatened frog species in previously unknown locations in Queensland's rainforests. The method also revealed that a third species, the armored mistfrog, is still struggling to recover from chytrid fungus outbreaks. The technique offers a sensitive way to monitor rare and elusive amphibians.
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Original headline: “A tiny drop of water is all that's needed to find threatened frogs.” Browse more stories.