March 11 is designated as Key Deer Awareness Day, an annual observance aimed at increasing awareness about the endangered key deer. These diminutive relatives of the Virginia white-tailed deer are exclusive to the Florida Keys, lending them their distinctive name. The species faces substantial threats, including poaching, habitat loss, vehicular accidents, illnesses, and climate change. To address these challenges and generate public awareness, a dedicated day has been established.

The significance of March 11 is tied to the date in 1967 when key deer received official 'endangered' status on the Federal Register. This carefully chosen date serves as a poignant reminder of the ongoing efforts needed to safeguard and preserve these unique and threatened creatures.