Animals can become extinct for a wide variety of reasons. The most common reasons are the following: Disease Over-Hunted Genetic Similarity (causing sterility and disease)
There are many things causing bird populations to decline all over the world. Some of them are loss of habitat, changing climate, polluting of food sources, disruption of migration paths, over...
because when one animal extinct the animal who eats that animal would maybe or absolutely have no other animal to eat so that animal who eat the extincted animal would become extinct then another...
Our ability to adapt to our environment takes hundreds If not thousands of years to become suitable. If a really warm Subtropical area endures a freeze - the animals and plants that were used to warm...