Where can I find more information on those animals that are endangered?

For more information visit some of these sites:
Earths Endangered
World Wildlife Fund

How do I know that I can trust those organizations that accept donations?

Each of the recommended web sites has had a good reputation of being secure. For more information on what type of security is offered please feel free to visit their web sites and view their privacy policy. WildExtinction is not responsible for any security issues on another site.

Are these all of the animals that are endangered in the whole world?

Unfortunately, no our site does not hold all of those animals that are endangered in the world. That is why we provide you with a list of other resources to find more information.