SKIRMISHER

In 1862, Charles Darwin examined this orchid from Madagascar — a flower whose nectar is at the bottom of a long narrow tube. So Darwin predicted there must be a moth with a 12-inch tongue that fits exactly the orchid. But Darwin merely got ridiculed for the prediction — among many others things he did — as nobody actually had seen the moth — until very recently, about 150 years later.

Stumble it!