At least one crocodile displaying "dangerous behaviour" has been reported near major Townsville infrastructure, with rangers called in to monitor the situation. It's believed two crocodiles have been spotted on numerous occasions along the fence of the RAAF base and Townsville Airport. It's unknown if the crocodiles have attacked a person, but a statement from the Department of Environment and Science said they are monitoring the situation closely. Townsville Airport. "The Department of Environment and Science received a report yesterday (Monday) afternoon from the RAAF of a crocodile in the vicinity of a boundary fence at its Townsville base," the statement said.