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Jurassic Park and paradise

Department of Environment and Science program coordinator Matt Brien led a team of researchers to uncover the "where's and why's" of this intriguing cohort of reptiles.

"It really is as close to being in Jurassic Park than anything else," Dr Brien said.

"There's such high crocodiles in high densities … and they are just around the corner from Airlie Beach."

Dr Brien said the Proserpine River was one of the most significant rivers in Queensland as far as crocodiles and crocodile conservation was concerned.

"Not only does it have the highest density of crocodiles in Queensland, it has the highest density of large crocodiles," he said.

"If you want to see big crocodiles in Queensland, go to the Proserpine River."