Crocodiles galore - with Dr David Kirshner, at the Sydney Zoo - great croc overview

On a recent trip to Australia Fergus talks with Croc expert, Dr David Kirshner, of Sydney Zoo, to get the latest overview on the crocodile family worldwide, but also of the 'salty'- the most awesome Australian species. Added bonus - Learn how to tell the difference between an alligator and a crocodile!   See also his great book on crocs: https://www.amazon.co.uk/Biology-Evolution-Crocodylians-Gordon-Grigg/dp/0801454107