As venomous snakes flee the flood, there could be a spike in snakebites.

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The 56km of rough, shark-infested waters and the venomous snakes for which the island is named usually put an end to any hope of escape.

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Of the 22 species of snakes within the Morganza Spillway, three -- the copperhead, cottonmouth and canebrake rattler -- are venomous.

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