Black bears, bobcats, white-tailed deer, American alligators, and river otters have also been seen in the park.

[1] At that time, a railroad running along what is now Fishbowl Drive would let passengers off to walk a short trail to the spring.

[1] In the 1920s, the attraction was expanded to several structures that no longer exist, and a public swimming area was located at the spring.

[citation needed] The 1940s led to more expansion, along with the construction of the first underwater observatory, which consisted of an iron tank with small windows on each side.

Lu is the only animal in the park not native to Florida, he was born at the San Diego Zoo on January 26, 1960,[2] and appeared in the TV shows Daktari and Cowboy in Africa.