NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Henry Walter Bates (1825-1892), British naturalist. Whilst on an expedition to South America with Alfred Wallace, Bates noted startling similarities between butterfly species. He attributed this to natural selection, since palatable butterflies that closely resembled noxious species would be left alone by predators and thus tend to flourish. This phenomenon became known as Batesian mimicry.
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