bare left

A family have gone over to America for their holidays. They go for a drive in a National Park to have a look at the bears and get some snaps for the photo album. However, once they hit the forest, they immediately get lost and drive for hours without seeing another human being let alone a bear.
Eventually they see a road signpost in the distance and drive towards it.
"What's the sign say?" asks mum.
"It says ‘Bear Left'," says one of the kids.
"Ah bugger," says dad. "Well if the bear's gone, we may as well go home."

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