Meet Rex. He's one of the world's biggest crocodiles and he's been hibernating for the past three months at Wild Life Sydney Zoo.
Not surprisingly, he woke up feeling a bit peckish - and incredible photographs have been taken of staff settling his hunger pangs.
The immense 700kg creature eagerly gobbled up huge beef rib chunks, lowered in by keepers staying a good safe distance away.
Snap to it: Rex is fed huge chunks of beef
Saltwater crocs such as Rex are the biggest in the world and are rightly treated with a huge amount of respect.
They are one of the very few predators in the world that treat humans as prey. They have even been known to kill sharks and tigers.
Their mouths are filled with over 60 extremely sharp teeth and they have a bite force of an incredible 5,000 pounds per square inch, compared to 335 pounds per square inch for a Rottweiler.
Crocodiles are also very quick in the water, being able to swim at 25mph and even over 20mph on land.
They can live up to 80 years, but 99% of crocs are killed by predators in their first year of life.
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