After British naturalist Henry Walter Bates, a palatable or harmless species of insects especially in Batesian mimicry, a protective form, closely resembles one that predators therefore avoid.

This fellow of royal, Linnean, and geological societies and an English explorer gave the first scientific account in animals. He started his most famous expedition to the rainforests of the Amazon River with Alfred Russel Wallace in 1848. Wallace returned in 1852 but lost his collection on the return voyage, when his ship caught fire. Bates sent back more than 14,712 samples, including eight thousand new scientific specimens, and after a full eleven years arrived home in 1859. Bates wrote up his findings in The Naturalist on the River Amazons , his best-known work.

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