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 Diving behaviour and physiology of freshwater and estuarine crocodiles



We remotely tagged 24 of these little critters throughout 2007 and 2008. The tags provided information on body temperature, diving profiles, and the horizontal movements of crocodiles as they free-ranged throughout their freshwater habitat.

Some of the crocodiles produced some remarkable behavioural feats, with a 5 kg animal diving for 5 hours 45 minutes and walking/swimming over 6 km in a single night. The data is helping us to understand how the freshwater crocodile utilises its habitat and optimises its cost of living.

A mature female Crocodylus johnstoni, captured on a night survey at Lakefield National Park Nth Queensland

 

 


Researcher
Dr Hamish Campbell