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I haven't been to Bolivia.

Other People's trip reports
South America, 2011 (Bolivia, Chile, Peru & Ecuador): Matthew and Maureen Hart, 2 months & 32 species including Southern River Otter, Northern Viscacha and Anderson's Four-eyed Opposum.

Bolivia, 2002: Steve Anyon-Smith, 6 weeks & 23 mammals.

South America, 1996 (Bolivia, Peru and Ecuador): Steve Anyon-Smith, 6 weeks & a few mammals.