Quote:
Originally Posted by Alex
That's pretty standard for below grade exhibits so far as I've ever seen. Zoo motes rarely have water in them unless water is specifically a deterrent to the animal (which it wouldn't be for tigers). Filling the moat with water would tend to bring the tiger even closer to the people, which is bad -- not because it is more likely to get out but because the closer people get to an animal the stupider they tend to behave.
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However it is a tad more difficult for the critter to get a running start via a water filled mote. Unless by "mote" they mean deep cement trench.