Butterflies that independently evolved the same wing patterns have also evolved similar eyes and brains which are fine-tuned for vision in the shifting light of tropical rainforests, according to new ...

In the early 1990s, Keith Willmott and a friend, both undergraduate students from the United Kingdom, arrived in Ecuador with impressionable minds and big aspirations. Willmott initially imagined ...

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Animals often evolve to have certain characteristics that help them escape predators more effectively. Some of these characteristics work to deflect predators away from the animal's head. Many ...

How old are butterflies, and where did they evolve? And perhaps more importantly, how and when did they reach the isolated continent of Australia? Answers to these simple questions have baffled ...