Walking through the Costa Rica rainforest in rainy season is the time to hear frogs: calling, croaking, barking, whistling, tinkling, trilling and making all manner of loud sounds.
Why are they so noisy? The quick answer is to attract a mate, and to defend a territory – especially in breeding season. In an evergreen rainforest, newly formed ponds, puddles and pools erupt into a cacophony of several species of frogs all calling and competing at the same time for mates.
The tropics hold many such na