What is the cause of that animals that can be extinct?

Answer:

There are very many direct reasons but currently the very great majority are ultimately caused by man.

Reasons include - introduced predators, introduced competitors (for food, nest sites, habitat etc.), introduced disease, direct persecution, loss of habitat for any one of countless reasons, etc etc etc

First answer by Lonchura. Last edit by Lonchura. Contributor trust: 87 Question popularity: 1 [recommend question].