What Causes Extinctions? - Other

Extinction hits species for many different reasons other than mass extinctions. Some can be man made, while others are just part of the natural life cycle that occurs between the populace of predator and prey.  
Some such animals have gone extinct that many don't even know about. For example, two animals from Christmas Island last year had gone extinct. These animals are:

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  • Christmas Island Pipstrelle: Species of bat found in Christmas Island, Australia.







  • Christmas Island Whiptail-Skink: Species of skink (Lizard) found in Christmas Island, Australia.








These became extinct for a number of reasons that IUCN had highlighted during their research. These reasons go from the introduction of new predatory species to those who are destroying their habitat for personal gain. Some of the reasons animals can become extinct narrow down to:
  1. Diseases in the species (e.g. bird flu and other harming illnesses that made the populace decrease).
  2. Disturbance of habitat (e.g. new species overcrowding the endangered species, or people destroying the habitat for resources, etc.)
  3. Predators (e.g. wolf, snake, etc. is harmful to any prey species that live nearby).
  4. Insecticide (e.g. Insecticide Fipronil to control yellow crazy ants which destroy other species as well as the one it intends to control).
Many of these issues can't be helped as they are natural. However, things like hunting, insecticides, and people disturbing habitats are things we can stop. There are several charities that aid in trying to stop these issues in the wild. 

 Sources:

 http://www.iucnredlist.org/
http://www.iucnredlist.org/details/178595/0#
http://www.iucnredlist.org/details/136769/0

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