Canada geese certainly like Colorado–maybe too much. The waterfowl have become something of an invasive species, and the National Wildlife Research Center in Fort Collins has a solution: birth control. That’s according to the Northern Colorado Business Report, which reports that Governor Bill Ritter presented the 2009 award for research impact to the U.S. Agriculture Department center yesterday for its work on an oral contraceptive for pesky geese, ducks, and pigeons. From the online archives of the now-defunct Rocky Mountain Chronicle, 5280 contributor Joshua Zaffos explored the Front Range’s gaggle-laden stretches to understand why scores of geese wreak havoc in parks and golf courses, and how birth control might help.