I cannot answer that first hand (yet) but... Biologists have tagged monitors and found them over a mile away the very next day.
My observations of these two indicate that they are quite active, especially when I am not around. (I use a spy cam to watch them)
I chose to offer lots of space, lots of heat and lots of dirt, The formula seems to be working, since these are the two healthiest captive Savannah Monitors shown on the entire internet.
In the wild, they roam this enclosure....
This wild Savannah Monitor like trees.
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