There are in our country several threatened birds species and there are many others with restricted populations. The birds are an best exposed grup by man destructive activity. The forest fire destroys its habitat, its origin nutritions, and trees which make its nests... The pesticides envenom birds communities and its food, producing fragile eggs that don't make at end of natural process incubation... With intensive agriculture, besides destroys forest and drys wetlands where the birds don't can to live.
There are inclusive many other dangers that situates birds communities in extintion border: ilegal trade, hunting, nest pillage, chickens capture and captivity...