wildlife

According to an old Pima Indian legend, a flock of very ordinary gray birds became concerned about how unattractive they looked. They began bathing in a sparkling blue mountain lake every morning hoping to make themselves more beautiful. After bathing in the lake for four days, their feathers fell off, and all that remained was gray skin that was even uglier than their plain-looking gray feathers. On the fifth day the feathers grew back in, but this time they were the brilliant blue color of the mountain lake.

The invaders arrived deliberately or inadvertently. Either way, invasive plant species have wreaked havoc on our ecosystem. Just what is an invasive species? Essentially, an invasive species is one that is not native and whose introduction causes or is likely to cause economic, environmental, or physical harm to an ecosystem.