The term "Blue Hens" refers to a specific breed of chicken known for its distinctive blue feathers. This breed is often associated with the state of Delaware, where it has become a symbol of pride. Blue Hens are known for their hardiness and ability to adapt to various environments, making them popular among poultry enthusiasts. In addition to being a breed of chicken, "Blue Hens" is also the nickname for the athletic teams of the University of Delaware. The university's mascot, a blue hen named YoUDee, represents school spirit and is a beloved figure at sporting events.