The Great Naturalists Explore South America

abundant according Amazon anaconda animals ants appearance arctic tern Argentine armadillo attack Bates bats beak beast Beebe birds body Brazil British Guiana bushmaster butterflies caiman capybara Cherrie claws coati collared peccary color condor covered creature Darwin eggs exploration feathers feet female fer-de-lance fish flesh flight forest forms giant anteater Graff ground guanaco head hoatzin horse howler Hudson Humboldt hummingbirds hundred hunting inches Indians inhabitants insects islands jaguar jaws journey jungle killed known legs length limb live males mammals migration miles Miller monkeys mouth natives naturalists nest night observations Orinoco pampas Pará Patagonia peccaries piranha puma reach region reptiles rhea Rio Negro river rodents Roosevelt Schomburgk skin sloth snakes South America species Spruce stream tail tamandua tapir Thurn tion toucan trees tropical turtles vampire vultures Wallace Waterton white-lipped white-lipped peccaries wings wound wrote young Zoological Society