The geology of Florida's crystal springs
Biology of the gentle giant
The winter migration sanctuary
Protecting the future of Florida's giants
What seasonal restriction is placed on certain spring areas in Florida to protect wintering manatees?
In which Florida state park along the St. Johns River can visitors view hundreds of manatees from elevated boardwalks?

dave Steer floating manatees into warm crystal springs to learn how they survive the winter.

dave This pristine crystal spring serves as a critical winter refuge for hundreds of manatees.
How do biologists count manatees gathered in Florida's springs during the winter months?
dave Three Sisters Springs Manatees
Seventy-two degrees, safe in the blue, drifting with you

dave A historic state park along the St. Johns River offers sanctuary to a growing population.
What is the primary reason manatees migrate from the Gulf of Mexico into Florida's freshwater springs during winter?
Record gatherings: Over 900 manatees have been counted huddled together in a single Florida spring on a freezing winter day.
Which famous spring in Crystal River, Florida, is renowned for hosting hundreds of wintering manatees?
At what water temperature threshold do manatees begin to suffer from life-threatening cold stress?
A large, herbivorous aquatic mammal with a bulbous snout, flippers, and a paddle-shaped tail. These mammals migrate to Florida's constant seventy-two-degree natural springs to survive cold winters.
