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AAP
AAP
Neve Brissenden

MYSTERIOUS: Science comes naturally to observant aussie citizens - What They Never Told You

It may look meek and mild, but the emerald-speckled tree frog has a maniacal laugh. (Lukas Coch/AAP PHOTOS)

If it weren't for citizen scientists, we may never know that the emerald-speckled tree frog has a maniacal laugh.

Or that the red-browed finches share nesting and parenting responsibilities.

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