After the advent of genetic technologies and research, the quagga is now considered a subspecies of the plains zebra. Its closest living relative is the Burchell’s zebra, which is also another ...
Washington's watercraft inspectors earlier this month scrubbed 21 gallons of zebra and quagga mussels off a tugboat, the largest volume of the tiny mollusks to be pulled off a single vessel in seven ...
State wildlife officials examine over 100,000 boats annually at roadside inspection stations, searching for signs of hitchhiking critters that could harm local lakes, rivers and streams. Of special ...