Query: Mammals from Bolivia and Venezuela, but not from Guyana
Domain: animals
Relevant documents:
Brown-throated sloth
Parnell's mustached bat
White-fronted capuchin
Greater grison
Bidentate yellow-eared bat
Large-headed capuchin
Velvety fruit-eating bat
Soriano's yellow-shouldered bat
Visored bat
Amazon river dolphin
Yellow-crowned brush-tailed rat
Tschudi's slender opossum
Brown-eared woolly opossum
Mountain paca
Eastern lowland olingo
Pacarana
Andean white-eared opossum
Crab-eating fox
Hoffmann's two-toed sloth
Brazilian spiny tree-rat