(NBC) - It's that time of year when male alligators try to impress the ladies.
Naples Zoo at Caribbean Gardens recorded video and audio of gators named Bubba, Freckles and Mama bellowing.
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Employees at the zoo say all alligators make the sound, but the males have a louder, deeper tone.
Males can reach a lower frequency, which causes the water to "dance" on their backs, like you see with the gator in the middle.
Now that it is mating season, the sound helps females pick a suitable mate -- one that's preferably larger than them.
One person in the video can be heard saying, "It sounds like something out of Jurassic Park."
Alligator mating season in Florida started in early April with a courtship phase that lasts about a month.
Courtesy NBC News Channel