On the way to her office at the Charles Darwin research station, biologist Miriam San José crouches down near a shallow pond shrouded by vegetation and reaches deep into the foliage, pulling out a small green plastic box recorder.
She left it there overnight to capture the infamous croaks of a Fowler’s snouted treefrog (Scinax quinquefasciatus), known to Galápagos scientists as an invasive threat, with repercussions researchers are only beginning to grasp.
