What is rewilding? -- The journey of the whooping cranes -- The toads that needed a shower -- The dam builders -- Return of the scavengers -- Why do species disappear? -- The ancient tortoises -- The desert dwellers -- Swimming against the current -- Rattlesnake island -- The talking parrots -- What is an ecosystem? -- The wolves of Yellowstone -- Life inside the fence -- The aristocratic deer -- Criticisms -- The tigers of Sariska -- A rocket through the sky -- The snot otters -- Beware of the toad! -- Surrounded by plants -- The meat-eating plant -- The lynx effect -- The wild horses -- Measuring success -- The missing caribou -- Saving the sturgeon -- The jaguars of the wetlands -- The island foxes -- Pleistocene rewilding -- The emperor of the forest -- The birds of Guam -- The disappearing riverbank -- A little beetle love story -- What can you do? -- Glossary.