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Even though they are only about the size of a nickel, zebra and quagga mussels explode into enormous colonies in freshwater lakes and rivers,...
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Even though they are only about the size of a nickel, zebra and quagga mussels explode into enormous colonies in freshwater lakes and rivers,...
They now serve in the country’s police forces and forestry departments, and these 14 dogs have been put through their paces, Quartz reports. A...