(Colorado)
St. Vrain State Park, formerly known as Barbour Ponds, is a Colorado state park. The park hosts year-round camping. It is a popular birding destination, hosting the states largest rookery of Blue Heron, it is home to several other bird species as well including migrating waterfowl, songbirds and the occasional bald eagle. Other park activities include year round fishing and hiking. There is a reservoir at the park named Blue Heron Reservoir. (Ref: https://en.wikipedia.org/wiki/St._Vrain_State_Park)