I found this interesting because this study only goes back 500 years. Human population is on a rise, just like it has been for thousands of years. Before humans were around this land was occupied by different animals like birds, mammals, rodents, and water life. As the human population increases the natural resources and forests decrease. Over the past 500 years, 279 different species of birds have gone extinct. That equals to one bird species going extinct ever 1.8 years. As humans keeping spreading throughout the world, and its islands, birds habitats are being taken over and are forced to move out. Most of the birds ended up staving to death because their food became the food of the humans, and because it was also being destroyed.
http://news.yahoo.com/bird-extinctions-rise-172316664.html
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