The European starling or Sturnus vulgaris is a brownish-black bird dotted with white spots. The juvenile is slightly browner, while the adult bird is black and brighter. They are native to Eurasia and North Africa. They have a stocky stature, with a short tail. The European starling is invasive in North America. It was introduced in New York but quickly spread to the United States and southern Canada. They extend from sea to sea and from Florida to Alberta. They were first introduced in 1890, when a Shakespeare fanatic introduced about 100 starlings to Central Park. His dream was to see all the birds mentioned in Shakespeare's works introduced to North America. The starling population increased dramatically over the next hundred years, and today the population stands at around 200 million! Since its introduction, it has had many negative impacts on the environment. The main reason why starlings affect their environment so negatively is because...