Endangered Species International is an amazing group that really gets things done out in the field. I applaud their effort and hard work to save endangered animals and their home! Most fund is spent on the field for direct impacts..no wasting resources!
98% of ESI's spending is directed to worldwide conservation activities. It is one of the most effective animal charities. They do much better work that most the largest one like WWF (85% of WWF's spending is directed to worldwide conservation activities), CI, Sierra Club and many other. As an previous insider I can attest the really good work of ESI.
ESI is a driving force in the protection of imperiled wildlife and plants
in many places around the world. They tackle the challenge of wildlife and habitat losses by preventing species and their habitat from becoming imperiled (like in rainforest), by protecting endangered and threatened species and their habitats so they can recover, and restore the species population so they are no longer vulnerable to extinction and can once
ESI is working with governments and communities to bolster environmental policy, train new generations of environmental stewards, support sustainable livelihoods, and create protected areas.