A second oil spill is threatening Ecuador's Galapagos islands, while the mortality rate among its marine iguanas has risen alarmingly, blamed on an earlier spill in 2001.
The spectacled bear, arrived in the Andes Mountains some 16,000 years ago. It is the only South American bear species, and its prospects for survival are gloomy.
The unceasing footsteps of thousands of tourists over the ruins produce an effect similar to a small-scale earthquake, says an expert.
Some 150 animals have been saved and returned to their habitat, but dead marine birds and mammals continue to be found a month after the disaster caused by oil-tanker Jessica.
The invasion of wild goats and of non-native plants, expansion of the human population, over-fishing, fires and pollution are the most serious problems these majestic islands face