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The elusive animals were discovered in Ecuador after extensive searching, researchers said.

Park rangers use butterflies to take planet’s pulse in a biodiversity hotspot.

Biologists have observed a troubling fall in insect abundance over the last decade, which some belief may herald the end of the arthropod apocalypse

Close  The flashy colors of some butterflies could exhibit their speed and activeness, much like a cover of sharp yellow color on a sports car. Recent research indicates birds can learn to understand these visible signs, avoiding not just butterflies they have failed to catch in the past but as well as lookalikes species. The study offers so much vital proof to date for the notion of elusive mimicry, a method in which animals defend themselves against predators by matching to the colors or structures of agile relatives. Initially suggested over 60 years ago, the theory has been a challenge t...

The showy colors of some butterflies could advertise their speed and nimbleness, much like a coat of bright yellow paint on a sports car. A new study shows birds can learn to recognize these visual cues, avoiding not only butterflies they've failed to nab in the past but similar-looking species as well.