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Hedge89 t1_iqtmrtz wrote

Reply to comment by chiruochiba in Chernobyl black frogs reveal evolution in action by Picture-unrelated

Males are easier to find - they sampled them by basically going out at night in the breeding season and locating them by sound, likely the easiest and most efficient way to quickly find sufficient frogs for study.

>In total, we examined 189 H. orientalis adult males, captured during active calling from 10 PM to 1 AM.

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jazzman7838 t1_iqu1fr8 wrote

Yup. Frogs are easy to find by sound. Not so easy by sight.

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