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Giant Insects Ruled The Sky Until Evolution Of Birds Kicked In
2012-06-05 04:02:22

Giant insects in ancient days use to be kings of the sky, until the evolution of birds about 150 million years ago. Scientists at the University of California, Santa Cruz found that despite rising oxygen levels, insects eventually lost their grip as the dominate species in the sky. During the late Carboniferous and early Permian periods the skies were littered with 28-inch dragonfly-like insects and other ancient species that were too big to whack with a fly swatter. The authors of...