Most of the birds and other animals heard in the film would never actually have been in Florida at that time as a general African jungle soundtrack was used.
Usually a government office has a picture of the current President. In Colonel's office is a picture of George Washington rather than Andrew Jackson who was President in 1835.
Lance and Osceola are supposed to be the same age, although Rock Hudson was actually a decade younger than Anthony Quinn.
Final film of actress Soledad Jiménez.
The film depicts the Second Seminole War (1835-1842).