Wechsler, Doug: - Doug Wechsler, a biologist, has studied wildlife in the Brazilian Amazon and as a park ranger and naturalist. For 28years he curated the largest collection of bird photographs in the world for the Academy of Natural Sciences in Philadelphia. He has researched hummingbirds and flycatchers in Costa Rica and photographed birds in tropical forests around the world. His wildlife books for young readers include The Hidden Life of a Toad (multiple starred reviews; multiple awards including 2018 Gryphon Award; Correll Book Award; Green Earth Book Award; and AAAS/Subaru Longlist), Marvels in the Muck (Smithsonian Notable Books for Children), and Frog Heaven (2008 AAAS/Subaru Longlist; Society of School Librarians International Honor Book).