Causes of Animal Extinction

Causes of animal extinction are both natural and man-made. Humans are largely responsible when animals become extinct, endangered or threatened. Here are some reasons for this serious animal facts:

Man-made causes of extinction include:

  • Overharvesting and overhunting. Overharvesting is when humans make use of a species at a rate greater than the species can reproduce itself.
    Pollution in the form of chemicals and energy is another man-made cause of extinction.For more: tiger facts
  • Habitat destruction involves demolishing a natural environment, thereby displacing or wiping out the organisms that lived there. Destruction occurs through clearing habitats for agricultural purposes and through activities like mining and logging.
  • Introducing new predators and food competitors. Humans have the ability, whether intentionally or unintentionally, to introduce exotic species into new environments where they are able to prey on native species or compete with them for food.

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