Alarmed tree-squirrel

Alarmed tree-squirrel

This poor tree squirrel was clearly alarmed by some sort of predator lurking in the bush below.. He shrieked out constantly for a few minutes, but we never saw what was causing him such alarm - perhaps just us?
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Alarmed tree-squirrel

This poor tree squirrel was clearly alarmed by some sort of predator lurking in the bush below.. He shrieked out constantly for a few minutes, but we never saw what was causing him such alarm - perhaps just us?
Ref:
Date:
Location:
Photographer: