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81
Hominid culture in primate perspective
Niwot, Colo. : University Press of Colorado, 1994Format: Book
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82
The secret livies of animals : 1,001 tidbits, oddities & amazing facts about North America's coolest animals
Guilford, Connecticut : Falcon Guides, 2016Format: Book
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83
The black-tailed prairie dog : social life of a burrowing mammal
Chicago : University of Chicago Press, 1995Format: Book
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84
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85
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86
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87
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88
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89
Social behavior in animals, with special reference to vertebrates
London [England] ; New York : Chapman and Hall, 1990Format: Book
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90
How to clean a hippopotamus : a look at unusual animal partnerships
Boston : Houghton Mifflin Harcourt, 2010Format: Book
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91
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92
Monkeytalk : inside the worlds and minds of primates
Chicago ; London : The University of Chicago Press, 2017Format: Book
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93
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94
True love : 24 surprising stories of animal affection
Washington, D.C. : National Geographic Society, 2013Format: Book
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95
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96
Macachiavellian intelligence : how rhesus macaques and humans have conquered the world
Chicago : The University of Chicago Press, 2007Format: Book
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97
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98
The age of empathy : nature's lessons for a kinder society
New York : Three Rivers Press, 2010Format: Book
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99
Hominid culture in primate perspective
Niwot, Colo. : University Press of Colorado, 1994Format: Electronic eBook -
100
Tarra & Bella : the elephant and dog who became best friends
New York : G.P. Putnam's Sons, 2009Format: Book