Pigmy hermit (Phaetornis pygmaeus) Gigantic or giant hummingbird (Patagona gigas) Hand-colored steel engraving from H. G. Adams' Hummingbirds 1856. Henry Gardiner Adams (1812~1881) was a prolific poet writer and editor specializing in educational books for young people. He wrote the text for several of the books in the Young Naturalist's Library including Nests and Eggs of British Birds (1855) etc. His other works include a biography of the explorer David Livingstone (1867).
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