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Opossums: An Adaptive Radiation of New World Marsupials
Many people think of marsupials as Australian mammals, which get almost all the press attention. Most of the marsupials in nature documentaries are from Down Under: kangaroos, wallabies, wombats, koalas, bandicoots, sugar gliders, and so forth. But, despite...
Walker's Mammals of the World
The history of Walker’s Mammals of the World goes back to the 1930s, when Ernest P. Walker, assistant director of the National Zoological Park in Washington, began assembling data and imagery. First published in 1964, it became a Johns Hopkins University Press...