Portrait of Henry Walter Bates

Henry Walter Bates

English naturalist and explorer

Lived
1825–1892

Updated September 2026

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About Henry Walter Bates

Henry Walter Bates was an English naturalist and explorer who gave the first scientific account of mimicry in animals. He was most famous for his expedition to the rainforests of the Amazon with Alfred Russel Wallace, starting in 1848. Wallace returned in 1852, but lost his collection on the return voyage when his ship caught fire. When Bates arrived home in 1859 after a full eleven years, he had sent back over 14,712 species of which 8,000 were new to science. Bates wrote up his findings in his best-known work, The Naturalist on the River Amazons (1863). Batesian mimicry is named in his honor.

Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.

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Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers, free texts from Project Gutenberg. Last updated September 2026.