If you live in an area populated by white-tailed deer, there's a good chance you haven't given them much thought beyond hoping that they won't jump in front of your car. In reality, these deer pose a much bigger threat than just property damage. The explosion in the population of the white-tailed deer since the early 1900s has put the future of many northeastern forests in jeopardy. The slide deck below explains the challenge that the white-tailed deer presents for the Ridley Creek watershed through their impact on flora, fauna, and water quality, driven by urban development and a lack of natural predators.