If you want to make a change, we’ve projects to save the biodiversity of the Ecuador, a small country with one of the highest biodiversity levels in the world. Ecuador has Amazon Rainforest, Andes up to 6310 m, and the Pacific Coast. But don’t forget that Ecuador has the Galapagos Islands with a high level of Endemic Species.
GR: Here’s another example of the many citizen-naturalist volunteer opportunities you can find through the internet. This one costs $75 per week. Accommodations are provided, but you must pay for transportation to Ecuador and buy your food in the market. You must also verify with the Peruvian consulate.