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Ornithology : the natural history of birds : third-book of natural history prepared for the use of schools and colleges / by W.S.W. Ruschenberger ; from the text of Milne ...

CC0 Usage Conditions ApplyClick for more information. This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the ...
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What Does It Mean To Be Human? Official Companion Book to the Smithsonian National Museum of Natural History's David H. Koch Hall of Human Origins

Potts, Richard and Sloan, Christopher. 2010. What Does It Mean To Be Human? Official Companion Book to the Smithsonian National Museum of Natural History's David H. Koch Hall of Human Origins.
Smithsonian Magazine

Red or Black, but Nothing in Between: Multicolored Beaks Are a Big Turn Off for Female Jamaican Hummingbirds

Museum scientist Gary Graves has spent decades investigating why red-billed and black-billed streamertail hummingbirds remain distinct species despite on-going hybridization Erin Wunderlich Gary ...