2013: Year in Review by National Geographic. Part 2/3

Katydids (pictured) are oblong-winged insects. Most of them are green, but a few have been found sporting bright colors: yellow, orange, even hot pink. Geneticists aren’t sure why. Entomologists suspect erythrism, an anomaly similar to albinism. Scientists working with a related species in Japan point to genetics over environmental factors. Meantime, recent mating trials in New Orleans have posited green as a recessive trait – good camouflage just makes them fittest for survival. Meaning it’s easier being green. (Photo by Joel Sartore/National Geographic)
2013: Year in Review by National Geographic. Part 2/3
   
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