For some salamanders, finding a mate is a marathon

Treadmill, genetic tests show amphibians travel several kilometers to reproduce

scientist holding a salamander

ENDURANCE ATHLETES A small-mouthed salamander can travel up to 14 kilometers to reproduce, unlike its clonally reproducing kin. Ohio State University ecologist Rob Denton holds one of these clonal critters.  

Kevin Fitzsimons/OSU

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